#631216#631216

#631216 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.9% C 0.114 H 23.8°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#631216
RGB	rgb(99, 18, 22)
HSL	hsl(357, 69%, 23%)
HSV	hsv(357, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 77.8%, 61.2%)
CIE-LAB	lab(20.61, 35.67, 20.21)
CIE-LCH	lch(20.61, 41.00, 29.53°)
OKLab	oklab(32.94% 0.1039 0.0458)
OKLCH	oklch(32.94% 0.114 23.8)
XYZ	xyz(5.5074, 3.1440, 1.0758)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631216 #12635F

analogous

#63123E #631216 #633612

triadic

#631216 #166312 #121663

tetradic

#631216 #3E6312 #12635F #361263

square

#631216 #3E6312 #12635F #361263

split-complementary

#631216 #126336 #123E63

monochromatic

#1A0506 #2F090A #631216 #971B22 #CB252D

Accessibility & contrast

On white

12.89

#631216 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631216 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631216

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631216	#FFFFFF	#000000	##FFFFFF
##631216	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2715

Deuteranopia (green-blind)

#3F3813

Tritanopia (blue-blind)

#6E0014

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631216;
/* rgb */ color: rgb(99, 18, 22);
/* oklch */ color: oklch(32.9% 0.114 23.8);

Tailwind

colors: {
  custom: {
    50: '#965853',
    500: '#631216',
    950: '#000000',
  },
}

SCSS

$custom: #631216;
$custom-light: #965853;
$custom-dark: #000000;

JSON

{
  "hex": "#631216",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 22
  },
  "hsl": {
    "h": 357.037,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32944,
    "c": 0.11355,
    "h": 23.8
  },
  "luminance": 0.03143
}

Semantic roles & 50–950 ramp

primary

#631216

secondary

#369B96

accent

#ECE33C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631216

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

Preview Lab → · Contrast checker → · Palette generator →