#631A23

#631A23

Color Values

HEX

#631A23

RGB

99, 26, 35

HSL

352.6, 58.4%, 24.5%

HSV

352.6, 73.7%, 38.8%

CMYK

0.0%, 73.7%, 64.6%, 61.2%

OKLCH

0.3405 0.1043 17.8

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#631A23

#1A635A

Analogous

#631A47

#63351A

#631A23

Triadic

#631A23

#23631A

#1A2363

Split Complementary

#631A23

#1A6335

#1A4763

Tetradic

#631A23

#47631A

#1A635A

#351A63

Color Blindness Simulation

Original

#631A23

Protanopia

#434321

Deuteranopia

#484D20

Tritanopia

#5F1F1F

Achromatopsia

#2A2A2A

CSS Usage

background-color: #631A23;
color: #631A23;
border-color: #631A23;
Nearest Tailwind: Rose 950 #4C0519

Tailwind Shades

50
#FBF4F4
100
#F6E4E6
200
#F0C6CC
300
#E69EA7
400
#D86A77
500
#CA3547
600
#A22A39
700
#81222E
800
#651B24
900
#4A171D
950
#2F0F12

Contrast Checker

Text on white

12.33:1

AA Pass AAA Pass

Text on black

1.7:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026