#63231C#63231C

#63231C is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.094 H 29.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#63231C
RGB	rgb(99, 35, 28)
HSL	hsl(6, 56%, 25%)
HSV	hsv(6, 72%, 39%)
CMYK	cmyk(0%, 64.6%, 71.7%, 61.2%)
CIE-LAB	lab(23.47, 28.48, 19.63)
CIE-LCH	lch(23.47, 34.59, 34.58°)
OKLab	oklab(35.11% 0.0826 0.0457)
OKLCH	oklch(35.11% 0.094 29)
XYZ	xyz(5.9568, 3.9394, 1.5451)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63231C #1C5C63

analogous

#631C39 #63231C #63461C

triadic

#63231C #1C6323 #231C63

tetradic

#63231C #39631C #1C5C63 #461C63

square

#63231C #39631C #1C5C63 #461C63

split-complementary

#63231C #1C6346 #1C3963

monochromatic

#180807 #33120F #63231C #933429 #C24537

Accessibility & contrast

On white

11.75

#63231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#63231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63231C

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63231C	#FFFFFF	#000000	##FFFFFF
##63231C	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1B

Deuteranopia (green-blind)

#443D1A

Tritanopia (blue-blind)

#6D1522

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #63231c;
/* rgb */ color: rgb(99, 35, 28);
/* oklch */ color: oklch(35.1% 0.094 29.0);

Tailwind

colors: {
  custom: {
    50: '#956158',
    500: '#63231c',
    950: '#000000',
  },
}

SCSS

$custom: #63231c;
$custom-light: #956158;
$custom-dark: #000000;

JSON

{
  "hex": "#63231c",
  "rgb": {
    "r": 99,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 5.915,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35113,
    "c": 0.09444,
    "h": 29
  },
  "luminance": 0.03939
}

Semantic roles & 50–950 ramp

primary

#63231C

secondary

#439098

accent

#D0DF49

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63231C

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

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