COLOR INTELLIGENCE ENGINE
Search color by name or HEX.
Perceptual similarity, lighter/darker variants, warmer/cooler relationships, harmonies, WCAG combinations and color-vision simulation.
MATCHED COLOR
#c21e31
#C21E31Custom · tone · resolved by hex
120ranked matches
5.9593white contrast
3.5239black contrast
CIEDE2000
Lower ΔE = closerClosest colors
Shade Red
#C02A34Red · shadeΔE00 1.199Shade Red#C02A37Red · shadeΔE00 1.367Shade Crimson#C8042FCrimson · shadeΔE00 1.372Shade Red#C02A32Red · shadeΔE00 1.431Shade Crimson#C00C2DCrimson · shadeΔE00 1.501Shade Crimson#C8042BCrimson · shadeΔE00 1.532Shade Crimson#C00C2ACrimson · shadeΔE00 1.653Shade Red#C02A39Red · shadeΔE00 1.755Shade Crimson#C80432Crimson · shadeΔE00 1.77Shade Crimson#C00C30Crimson · shadeΔE00 1.796Shade Red#CA2135Red · shadeΔE00 1.822Shade Red#CA2132Red · shadeΔE00 1.876Shade Crimson#CA2137Crimson · shadeΔE00 1.998Shade Crimson#C80428Crimson · shadeΔE00 2.048Shade Red#C02A2FRed · shadeΔE00 2.06Shade Crimson#C00C27Crimson · shadeΔE00 2.141Shade Red#CA212FRed · shadeΔE00 2.262Shade Crimson#C00C33Crimson · shadeΔE00 2.39Shade Crimson#C80435Crimson · shadeΔE00 2.411Shade Crimson#CA213ACrimson · shadeΔE00 2.502Shade Red#C02A3CRed · shadeΔE00 2.513Shade Crimson#B8142DCrimson · shadeΔE00 2.552Shade Red#C02A2DRed · shadeΔE00 2.554Shade Crimson#B8142ACrimson · shadeΔE00 2.575Shade Crimson#C80425Crimson · shadeΔE00 2.687Shade Red#B73438Red · shadeΔE00 2.701Shade Red#B73436Red · shadeΔE00 2.738Shade Crimson#C00C24Crimson · shadeΔE00 2.775Shade Red#B7343ARed · shadeΔE00 2.815Shade Crimson#B81430Crimson · shadeΔE00 2.825Shade Red#CA212CRed · shadeΔE00 2.833Shade Red#B81427Red · shadeΔE00 2.872Shade Red#B73434Red · shadeΔE00 2.918Shade Red#B7343CRed · shadeΔE00 3.067Shade Crimson#C02A3ECrimson · shadeΔE00 3.071Shade Crimson#C00C36Crimson · shadeΔE00 3.123Shade Crimson#B81432Crimson · shadeΔE00 3.141Shade Crimson#C80438Crimson · shadeΔE00 3.156Shade Crimson#CA213DCrimson · shadeΔE00 3.173Shade Red#B81425Red · shadeΔE00 3.179Shade Crimson#D31734Crimson · shadeΔE00 3.215Shade Red#B73634Red · shadeΔE00 3.287Shade Red#C02A2ARed · shadeΔE00 3.328Shade Crimson#D31737Crimson · shadeΔE00 3.336Shade Crimson#D31730Crimson · shadeΔE00 3.364Shade Red#C00C21Red · shadeΔE00 3.458Shade Red#CA2129Red · shadeΔE00 3.485Shade Crimson#C80421Crimson · shadeΔE00 3.591Shade Red#B7343FRed · shadeΔE00 3.642Shade Crimson#D3173ACrimson · shadeΔE00 3.645Shade Red#D3172DRed · shadeΔE00 3.673Shade Red#B73834Red · shadeΔE00 3.7Shade Red#B81422Red · shadeΔE00 3.739Shade Crimson#B81435Crimson · shadeΔE00 3.755Shade Red#C02D2ARed · shadeΔE00 3.831Shade Red#AF1D2BRed · shadeΔE00 3.849Shade Red#AF1D2ERed · shadeΔE00 3.901Shade Crimson#C00C39Crimson · shadeΔE00 3.922Shade Crimson#CA2140Crimson · shadeΔE00 3.929Classic Red#C7383DRed · toneΔE00 3.934Shade Red#AF1D29Red · shadeΔE00 3.935Shade Crimson#C02A41Crimson · shadeΔE00 3.945Classic Red#C7383FRed · toneΔE00 4.001Classic Red#C7383ARed · toneΔE00 4.01Shade Crimson#AF1D30Crimson · shadeΔE00 4.059Shade Red#D3172ARed · shadeΔE00 4.1Shade Crimson#D3173DCrimson · shadeΔE00 4.106Shade Red#B73441Red · shadeΔE00 4.114Shade Red#C00C1ERed · shadeΔE00 4.149Shade Red#B73A34Red · shadeΔE00 4.152Shade Red#CA2126Red · shadeΔE00 4.167Classic Red#C73838Red · toneΔE00 4.17Shade Red#C02F2ARed · shadeΔE00 4.194Shade Crimson#C8043CCrimson · shadeΔE00 4.22Shade Red#AF1D26Red · shadeΔE00 4.225Shade Crimson#C8041ECrimson · shadeΔE00 4.266Classic Red#C73842Red · toneΔE00 4.271Classic Red#D12E3BRed · toneΔE00 4.285Classic Red#D12E39Red · toneΔE00 4.29Shade Red#B8141FRed · shadeΔE00 4.361Classic Red#D12E3ERed · toneΔE00 4.421Classic Red#D12E36Red · toneΔE00 4.433Shade Crimson#AF1D33Crimson · shadeΔE00 4.459Shade Crimson#B81438Crimson · shadeΔE00 4.475Shade Red#AF1D24Red · shadeΔE00 4.501Shade Crimson#C02A43Crimson · shadeΔE00 4.54Classic Red#C73844Red · toneΔE00 4.551Classic Red#C73A38Red · toneΔE00 4.589Shade Red#D31727Red · shadeΔE00 4.6Shade Red#CA2124Red · shadeΔE00 4.624Shade Red#B73443Red · shadeΔE00 4.634Shade Red#B73C34Red · shadeΔE00 4.638Shade Crimson#D31740Crimson · shadeΔE00 4.676Classic Red#D12E41Red · toneΔE00 4.717Classic Red#D12E33Red · toneΔE00 4.719Shade Crimson#CA2143Crimson · shadeΔE00 4.73Shade Red#AE3D3DRed · shadeΔE00 4.741Shade Crimson#C00C3CCrimson · shadeΔE00 4.753Shade Red#C0322ARed · shadeΔE00 4.778Shade Red#B8141DRed · shadeΔE00 4.79Shade Crimson#AF1D35Crimson · shadeΔE00 4.814Shade Red#C00C1BRed · shadeΔE00 4.828Shade Red#AE3D3FRed · shadeΔE00 4.882Classic Red#C73846Red · toneΔE00 4.896Shade Red#C8041BRed · shadeΔE00 4.923Classic Red#BD4242Red · toneΔE00 4.96Classic Red#D12E31Red · toneΔE00 4.973Shade Red#AE3F3DRed · shadeΔE00 4.982Shade Crimson#B8143ACrimson · shadeΔE00 4.993Shade Red#AF1D21Red · shadeΔE00 5.004Shade Crimson#C8043FCrimson · shadeΔE00 5.043Shade Crimson#DD0E34Crimson · shadeΔE00 5.062Classic Red#BD4244Red · toneΔE00 5.066Shade Red#A7252DRed · shadeΔE00 5.071Shade Crimson#DD0E37Crimson · shadeΔE00 5.086Shade Red#A7252BRed · shadeΔE00 5.108Shade Red#AE3D41Red · shadeΔE00 5.118Shade Red#D31724Red · shadeΔE00 5.141Classic Crimson#D12E44Crimson · toneΔE00 5.149Shade Red#A72530Red · shadeΔE00 5.174
RELATIONSHIP
Lighter
Classic Red
#BD4251Classic Red#C73849Classic Red#D12E41Vivid Red#DB2439Vivid Red#E61931Vivid Red#F00F29Pure Red#FA0522Classic Crimson#BD4253Classic Crimson#C7384BClassic Crimson#D12E44Classic Red#BD424FVivid Crimson#DB243CClassic Red#C73846Vivid Crimson#E61935Classic Red#D12E3EVivid Crimson#F00F2DVivid Red#DB2436Pure Crimson#FA0526Vivid Red#E6192EVivid Red#F00F26Pure Red#FA051EVivid Red#F00F22Pure Red#FA0519Classic Crimson#BD4255Classic Crimson#C7384EClassic Crimson#D12E46Vivid Crimson#DB243FVivid Crimson#E61938Classic Red#BD424CVivid Crimson#F00F31Classic Red#C73844Pure Crimson#FA052AClassic Red#D12E3BVivid Red#DB2433Vivid Red#E6192AClassic Crimson#D12E49
RELATIONSHIP
Darker
Shade Red
#973540Shade Red#9F2D3AShade Red#A72534Shade Red#AF1D2EShade Red#B81427Shade Red#C00C21Shade Red#C8041BShade Crimson#973542Shade Crimson#9F2D3CShade Crimson#A72536Shade Red#97353FShade Crimson#AF1D30Shade Red#9F2D38Shade Crimson#B8142AShade Red#A72532Shade Crimson#C00C24Shade Red#AF1D2BShade Crimson#C8041EShade Red#B81425Shade Red#C00C1EShade Red#C80418Shade Red#C00C1BShade Red#C80414Shade Crimson#973544Shade Crimson#9F2D3EShade Crimson#A72538Shade Crimson#AF1D33Shade Crimson#B8142DShade Red#97353DShade Crimson#C00C27Shade Red#9F2D36Shade Crimson#C80421Shade Red#A72530Shade Red#AF1D29Shade Red#B81422Shade Crimson#A7253A
RELATIONSHIP
Warmer
Shade Red
#AE3D3DShade Red#B73434Shade Red#C02A2AShade Red#CA2121Shade Red#D31717Shade Red#DD0E0EShade Red#E60505Shade Red#973535Shade Red#9F2D2DShade Red#A72525Shade Red#AF1D1DShade Red#B81414Shade Red#C00C0CShade Red#C80404Classic Red#BD4242Classic Red#C73838Classic Red#D12E2EVivid Red#DB2424Vivid Red#E61919Vivid Red#F00F0FPure Red#FA0505Dark Red#802D2DClassic Red#C25151Dark Red#872626Classic Red#CB4848Dark Red#8E1F1FClassic Red#D53F3FRich Red#951818Vivid Red#DE3535Rich Red#9C1111Vivid Red#E82C2CRich Red#A30A0AVivid Red#F12222Rich Red#AA0303Pure Red#FA1919Dark Red#6A2525
RELATIONSHIP
Cooler
Shade Crimson
#E60539Shade Crimson#AE3D57Shade Crimson#B73452Shade Crimson#C02A4DShade Crimson#CA2148Shade Crimson#D31743Shade Crimson#DD0E3EShade Crimson#C80432Shade Crimson#97354CShade Crimson#9F2D48Shade Crimson#A72543Shade Crimson#AF1D3FShade Crimson#B8143AShade Crimson#C00C36Pure Crimson#FA053EClassic Crimson#BD425FClassic Crimson#C73859Classic Crimson#D12E54Vivid Crimson#DB244FVivid Crimson#E61949Vivid Crimson#F00F44Rich Crimson#AA032APure Crimson#FA194EDark Crimson#802D41Classic Crimson#C2516CDark Crimson#87263DClassic Crimson#CB4867Dark Crimson#8E1F39Classic Crimson#D53F62Rich Crimson#951835Vivid Crimson#DE355DRich Crimson#9C1132Vivid Crimson#E82C58Rich Crimson#A30A2EVivid Crimson#F12253Rich Crimson#8C0323
RELATIONSHIP
Tints
Tint Red
#D27F88Tint Red#D97883Tint Red#E0717ETint Red#E76A78Tint Red#EE6373Tint Red#F55C6ETint Red#FC5568Tint Red#DA959DTint Red#E09099Tint Red#E58A95Tint Red#EB8490Tint Red#F17E8CTint Red#F67987Tint Red#FC7383Light Red#E2ACB2Light Red#E6A7AFLight Red#EBA3ABLight Red#EF9FA8Light Red#F49AA4Light Red#F896A1Light Red#FD919ELight Red#EAC3C7Light Red#F0BCC2Light Red#F4B9C0Light Red#F7B6BDLight Red#FAB2BBLight Red#FDAFB8Light Red#F2D9DCLight Red#F6D5D9Light Red#F8D3D7Light Red#FAD1D6Light Red#FCCFD4Light Red#FECDD3Pale Red#FBEFF0Pale Red#FFEBEDTint Crimson#D27F8A
RELATIONSHIP
Tones
Classic Red
#BD4251Classic Red#C73849Classic Red#D12E41Vivid Red#DB2439Vivid Red#E61931Vivid Red#F00F29Pure Red#FA0522Classic Red#C2515FClassic Red#CB4857Classic Red#D53F50Vivid Red#DE3549Vivid Red#E82C42Vivid Red#F1223BPure Red#FA1933Classic Red#CA6873Classic Red#D2606DClassic Red#DA5867Vivid Red#E25061Vivid Red#EB475AVivid Red#F33F54Pure Red#FB374EClassic Crimson#BD4253Classic Crimson#C7384BClassic Crimson#D12E44Classic Red#BD424FVivid Crimson#DB243CClassic Red#C73846Vivid Crimson#E61935Classic Red#D12E3EVivid Crimson#F00F2DVivid Red#DB2436Pure Crimson#FA0526Vivid Red#E6192EVivid Red#F00F26Pure Red#FA051EClassic Crimson#C25160
RELATIONSHIP
Shades
Shade Red
#973540Shade Red#9F2D3AShade Red#A72534Shade Red#AF1D2EShade Red#B81427Shade Red#C00C21Shade Red#C8041BDark Red#802D37Dark Red#872631Dark Red#8E1F2CRich Red#951827Rich Red#9C1122Rich Red#A30A1CRich Red#AA0317Dark Red#6A252DDark Red#6F1F29Dark Red#751A24Rich Red#7B1420Rich Red#810E1CRich Red#860917Rich Red#8C0313Dark Red#531D23Dark Red#581920Dark Red#5C141DDark Red#601019Dark Red#650B16Dark Red#690712Dark Red#6E020FDark Red#401217Dark Red#430F15Dark Red#460B12Dark Red#490810Dark Red#4D050DDark Red#50020BDeep Red#2C0C10Deep Red#2E0A0E
COLOR THEORY
Harmonies
ACCESSIBILITY
WCAG combinations
Pale Yellow
#FFFFFA5.94:1 · AAPale Yellow
#FEFFFA5.93:1 · AAPale Lemon
#FDFFFA5.92:1 · AAPale Amber
#FFFEFA5.91:1 · AAPale Chartreuse
#FCFFFA5.91:1 · AAPale Gold
#FEFEFB5.9:1 · AAPale Lime
#FBFFFA5.9:1 · AAPale Gold
#FEFEFA5.89:1 · AAPale Yellow
#FFFFEB5.89:1 · AAPale Yellow
#FDFEFB5.89:1 · AAPale Yellow
#FEFFEB5.88:1 · AAPale Lemon
#FDFEFA5.88:1 · AAPale Chartreuse
#FCFEFB5.88:1 · AAPale Orange
#FFFDFA5.87:1 · AAPale Yellow
#FDFFEB5.87:1 · AAPale Chartreuse
#FCFEFA5.87:1 · AAPale Lime
#FBFEFB5.87:1 · AAPale Orange
#FEFDFB5.86:1 · AAPale Orange
#FEFDFA5.86:1 · AAPale Lemon
#FCFFEB5.86:1 · AAPale Lime
#FBFEFA5.86:1 · AAPale Orange
#FDFDFC5.85:1 · AAPale Orange
#FDFDFB5.85:1 · AAPale Yellow
#FFFEEB5.85:1 · AAPale Yellow
#FEFEEC5.85:1 · AAPale Lemon
#FBFFEB5.85:1 · AAPale Yellow
#FDFEEC5.84:1 · AAPale Lemon
#FAFFEB5.84:1 · AAPale Chartreuse
#FCFDFC5.84:1 · AAPale Chartreuse
#FCFDFB5.84:1 · AACOLOR VISION
Simulation
original
#C21E31protanopia
#7B7A2Cdeuteranopia
#85912Btritanopia
#BA2928achromatopsia
#515151