#63231A#63231A

#63231A is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.095 H 30.5°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#63231A
RGB	rgb(99, 35, 26)
HSL	hsl(7, 58%, 25%)
HSV	hsv(7, 74%, 39%)
CMYK	cmyk(0%, 64.6%, 73.7%, 61.2%)
CIE-LAB	lab(23.44, 28.35, 20.89)
CIE-LCH	lch(23.44, 35.22, 36.38°)
OKLab	oklab(35.08% 0.0818 0.0481)
OKLCH	oklch(35.08% 0.095 30.5)
XYZ	xyz(5.9337, 3.9301, 1.4232)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63231A #1A5A63

analogous

#631A36 #63231A #63481A

triadic

#63231A #1A6323 #231A63

tetradic

#63231A #36631A #1A5A63 #481A63

square

#63231A #36631A #1A5A63 #481A63

split-complementary

#63231A #1A6348 #1A3663

monochromatic

#180906 #33120D #63231A #933427 #C44533

Accessibility & contrast

On white

11.76

#63231A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#63231A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63231A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63231A	#FFFFFF	#000000	##FFFFFF
##63231A	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F19

Deuteranopia (green-blind)

#443D18

Tritanopia (blue-blind)

#6D1521

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #63231a;
/* rgb */ color: rgb(99, 35, 26);
/* oklch */ color: oklch(35.1% 0.095 30.5);

Tailwind

colors: {
  custom: {
    50: '#956156',
    500: '#63231a',
    950: '#000000',
  },
}

SCSS

$custom: #63231a;
$custom-light: #956156;
$custom-dark: #000000;

JSON

{
  "hex": "#63231a",
  "rgb": {
    "r": 99,
    "g": 35,
    "b": 26
  },
  "hsl": {
    "h": 7.397,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.3508,
    "c": 0.09491,
    "h": 30.5
  },
  "luminance": 0.03929
}

Semantic roles & 50–950 ramp

primary

#63231A

secondary

#408E99

accent

#CEE246

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63231A

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

Preview Lab → · Contrast checker → · Palette generator →