#63291B#63291B

#63291B is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.0% C 0.088 H 34.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#63291B
RGB	rgb(99, 41, 27)
HSL	hsl(12, 57%, 25%)
HSV	hsv(12, 73%, 39%)
CMYK	cmyk(0%, 58.6%, 72.7%, 61.2%)
CIE-LAB	lab(24.70, 25.17, 21.73)
CIE-LCH	lch(24.70, 33.25, 40.80°)
OKLab	oklab(36.04% 0.0721 0.0502)
OKLCH	oklch(36.04% 0.088 34.8)
XYZ	xyz(6.1369, 4.3184, 1.5471)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63291B #1B5563

analogous

#631B31 #63291B #634D1B

triadic

#63291B #1B6329 #291B63

tetradic

#63291B #31631B #1B5563 #4D1B63

square

#63291B #31631B #1B5563 #4D1B63

split-complementary

#63291B #1B634D #1B3163

monochromatic

#180A07 #33150E #63291B #933D28 #C35135

Accessibility & contrast

On white

11.27

#63291B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#63291B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63291B

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63291B	#FFFFFF	#000000	##FFFFFF
##63291B	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383319

Deuteranopia (green-blind)

#473F1A

Tritanopia (blue-blind)

#6D1D26

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #63291b;
/* rgb */ color: rgb(99, 41, 27);
/* oklch */ color: oklch(36.0% 0.088 34.8);

Tailwind

colors: {
  custom: {
    50: '#946557',
    500: '#63291b',
    950: '#000000',
  },
}

SCSS

$custom: #63291b;
$custom-light: #946557;
$custom-dark: #000000;

JSON

{
  "hex": "#63291b",
  "rgb": {
    "r": 99,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 11.667,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36037,
    "c": 0.08785,
    "h": 34.8
  },
  "luminance": 0.04318
}

Semantic roles & 50–950 ramp

primary

#63291B

secondary

#418898

accent

#C3E047

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #63291B

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

Preview Lab → · Contrast checker → · Palette generator →