#63251B#63251B

#63251B is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.4% C 0.092 H 31.3°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#63251B
RGB	rgb(99, 37, 27)
HSL	hsl(8, 57%, 25%)
HSV	hsv(8, 73%, 39%)
CMYK	cmyk(0%, 62.6%, 72.7%, 61.2%)
CIE-LAB	lab(23.85, 27.36, 20.74)
CIE-LCH	lch(23.85, 34.33, 37.16°)
OKLab	oklab(35.4% 0.0789 0.048)
OKLCH	oklch(35.4% 0.092 31.3)
XYZ	xyz(6.0056, 4.0557, 1.5033)
Luminance	0.0406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63251B #1B5963

analogous

#631B35 #63251B #63491B

triadic

#63251B #1B6325 #251B63

tetradic

#63251B #35631B #1B5963 #491B63

square

#63251B #35631B #1B5963 #491B63

split-complementary

#63251B #1B6349 #1B3563

monochromatic

#180907 #33130E #63251B #933728 #C34935

Accessibility & contrast

On white

11.60

#63251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#63251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63251B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63251B	#FFFFFF	#000000	##FFFFFF
##63251B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35301A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#6D1823

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #63251b;
/* rgb */ color: rgb(99, 37, 27);
/* oklch */ color: oklch(35.4% 0.092 31.3);

Tailwind

colors: {
  custom: {
    50: '#956257',
    500: '#63251b',
    950: '#000000',
  },
}

SCSS

$custom: #63251b;
$custom-light: #956257;
$custom-dark: #000000;

JSON

{
  "hex": "#63251b",
  "rgb": {
    "r": 99,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 8.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35399,
    "c": 0.09236,
    "h": 31.3
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#63251B

secondary

#418C98

accent

#CBE047

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63251B

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

Preview Lab → · Contrast checker → · Palette generator →