#63201B#63201B

#63201B is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.7% C 0.098 H 27.6°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#63201B
RGB	rgb(99, 32, 27)
HSL	hsl(4, 57%, 25%)
HSV	hsv(4, 73%, 39%)
CMYK	cmyk(0%, 67.7%, 72.7%, 61.2%)
CIE-LAB	lab(22.88, 29.94, 19.58)
CIE-LCH	lch(22.88, 35.77, 33.18°)
OKLab	oklab(34.67% 0.087 0.0455)
OKLCH	oklch(34.67% 0.098 27.6)
XYZ	xyz(5.8605, 3.7656, 1.4549)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63201B #1B5E63

analogous

#631B3A #63201B #63441B

triadic

#63201B #1B6320 #201B63

tetradic

#63201B #3A631B #1B5E63 #441B63

square

#63201B #3A631B #1B5E63 #441B63

split-complementary

#63201B #1B6344 #1B3A63

monochromatic

#180807 #33100E #63201B #933028 #C33F35

Accessibility & contrast

On white

11.98

#63201B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#63201B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63201B

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63201B	#FFFFFF	#000000	##FFFFFF
##63201B	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D1A

Deuteranopia (green-blind)

#433C19

Tritanopia (blue-blind)

#6D101F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #63201b;
/* rgb */ color: rgb(99, 32, 27);
/* oklch */ color: oklch(34.7% 0.098 27.6);

Tailwind

colors: {
  custom: {
    50: '#955f57',
    500: '#63201b',
    950: '#000000',
  },
}

SCSS

$custom: #63201b;
$custom-light: #955f57;
$custom-dark: #000000;

JSON

{
  "hex": "#63201b",
  "rgb": {
    "r": 99,
    "g": 32,
    "b": 27
  },
  "hsl": {
    "h": 4.167,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34665,
    "c": 0.09814,
    "h": 27.6
  },
  "luminance": 0.03765
}

Semantic roles & 50–950 ramp

primary

#63201B

secondary

#419298

accent

#D6E047

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63201B

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

Preview Lab → · Contrast checker → · Palette generator →