#631420#631420

#631420 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.3% C 0.111 H 17.5°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#631420
RGB	rgb(99, 20, 32)
HSL	hsl(351, 66%, 23%)
HSV	hsv(351, 80%, 39%)
CMYK	cmyk(0%, 79.8%, 67.7%, 61.2%)
CIE-LAB	lab(21.05, 35.52, 13.92)
CIE-LCH	lch(21.05, 38.15, 21.40°)
OKLab	oklab(33.33% 0.1058 0.0335)
OKLCH	oklch(33.33% 0.111 17.5)
XYZ	xyz(5.6571, 3.2581, 1.6972)
Luminance	0.0326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631420 #146357

analogous

#631447 #631420 #632F14

triadic

#631420 #206314 #142063

tetradic

#631420 #476314 #146357 #2F1463

square

#631420 #476314 #146357 #2F1463

split-complementary

#631420 #14632F #144763

monochromatic

#190508 #300A10 #631420 #961E30 #C92941

Accessibility & contrast

On white

12.72

#631420 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631420 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631420

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631420	#FFFFFF	#000000	##FFFFFF
##631420	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2820

Deuteranopia (green-blind)

#3E391E

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631420;
/* rgb */ color: rgb(99, 20, 32);
/* oklch */ color: oklch(33.3% 0.111 17.5);

Tailwind

colors: {
  custom: {
    50: '#95595b',
    500: '#631420',
    950: '#000000',
  },
}

SCSS

$custom: #631420;
$custom-light: #95595b;
$custom-dark: #000000;

JSON

{
  "hex": "#631420",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 32
  },
  "hsl": {
    "h": 350.886,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33326,
    "c": 0.11099,
    "h": 17.5
  },
  "luminance": 0.03257
}

Semantic roles & 50–950 ramp

primary

#631420

secondary

#389A8B

accent

#E9CF3E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631420

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →