#63231E#63231E

#63231E is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.094 H 27.4°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#63231E
RGB	rgb(99, 35, 30)
HSL	hsl(4, 53%, 25%)
HSV	hsv(4, 70%, 39%)
CMYK	cmyk(0%, 64.6%, 69.7%, 61.2%)
CIE-LAB	lab(23.50, 28.61, 18.36)
CIE-LCH	lch(23.50, 34.00, 32.70°)
OKLab	oklab(35.15% 0.0835 0.0432)
OKLCH	oklch(35.15% 0.094 27.4)
XYZ	xyz(5.9815, 3.9492, 1.6753)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63231E #1E5E63

analogous

#631E3B #63231E #63451E

triadic

#63231E #1E6323 #231E63

tetradic

#63231E #3B631E #1E5E63 #451E63

square

#63231E #3B631E #1E5E63 #451E63

split-complementary

#63231E #1E6345 #1E3B63

monochromatic

#170807 #341210 #63231E #92342C #C1443A

Accessibility & contrast

On white

11.73

#63231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#63231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63231E

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63231E	#FFFFFF	#000000	##FFFFFF
##63231E	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1D

Deuteranopia (green-blind)

#443D1C

Tritanopia (blue-blind)

#6D1622

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #63231e;
/* rgb */ color: rgb(99, 35, 30);
/* oklch */ color: oklch(35.1% 0.094 27.4);

Tailwind

colors: {
  custom: {
    50: '#95615a',
    500: '#63231e',
    950: '#000000',
  },
}

SCSS

$custom: #63231e;
$custom-light: #95615a;
$custom-dark: #000000;

JSON

{
  "hex": "#63231e",
  "rgb": {
    "r": 99,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 4.348,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35149,
    "c": 0.094,
    "h": 27.4
  },
  "luminance": 0.03948
}

Semantic roles & 50–950 ramp

primary

#63231E

secondary

#459298

accent

#D2DD4B

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63231E

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

Preview Lab → · Contrast checker → · Palette generator →