#631F0E#631F0E

#631F0E is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.4% C 0.102 H 35.0°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#631F0E
RGB	rgb(99, 31, 14)
HSL	hsl(12, 75%, 22%)
HSV	hsv(12, 86%, 39%)
CMYK	cmyk(0%, 68.7%, 85.9%, 61.2%)
CIE-LAB	lab(22.53, 29.80, 27.09)
CIE-LCH	lch(22.53, 40.28, 42.27°)
OKLab	oklab(34.35% 0.0837 0.0586)
OKLCH	oklch(34.35% 0.102 35)
XYZ	xyz(5.7155, 3.6652, 0.8219)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F0E #0E5263

analogous

#630E28 #631F0E #634A0E

triadic

#631F0E #0E631F #1F0E63

tetradic

#631F0E #28630E #0E5263 #4A0E63

square

#631F0E #28630E #0E5263 #4A0E63

split-complementary

#631F0E #0E634A #0E2863

monochromatic

#1B0804 #2D0E06 #631F0E #993016 #CE411D

Accessibility & contrast

On white

12.12

#631F0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#631F0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F0E

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F0E	#FFFFFF	#000000	##FFFFFF
##631F0E	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332C0B

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#6E0C1C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #631f0e;
/* rgb */ color: rgb(99, 31, 14);
/* oklch */ color: oklch(34.4% 0.102 35.0);

Tailwind

colors: {
  custom: {
    50: '#965e4e',
    500: '#631f0e',
    950: '#000000',
  },
}

SCSS

$custom: #631f0e;
$custom-light: #965e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#631f0e",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 14
  },
  "hsl": {
    "h": 12,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3435,
    "c": 0.10218,
    "h": 35
  },
  "luminance": 0.03664
}

Semantic roles & 50–950 ramp

primary

#631F0E

secondary

#30879C

accent

#CCF236

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0501

muted

#7E7977

Preview Lab

Preview with #631F0E

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

Preview Lab → · Contrast checker → · Palette generator →