#63221D#63221D

#63221D is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.095 H 27.5°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#63221D
RGB	rgb(99, 34, 29)
HSL	hsl(4, 55%, 25%)
HSV	hsv(4, 71%, 39%)
CMYK	cmyk(0%, 65.7%, 70.7%, 61.2%)
CIE-LAB	lab(23.29, 29.06, 18.76)
CIE-LCH	lch(23.29, 34.59, 32.85°)
OKLab	oklab(34.98% 0.0847 0.044)
OKLCH	oklch(34.98% 0.095 27.5)
XYZ	xyz(5.9400, 3.8862, 1.5995)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63221D #1D5E63

analogous

#631D3B #63221D #63451D

triadic

#63221D #1D6322 #221D63

tetradic

#63221D #3B631D #1D5E63 #451D63

square

#63221D #3B631D #1D5E63 #451D63

split-complementary

#63221D #1D6345 #1D3B63

monochromatic

#180807 #34120F #63221D #92322B #C24339

Accessibility & contrast

On white

11.82

#63221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#63221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63221D

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63221D	#FFFFFF	#000000	##FFFFFF
##63221D	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332F1C

Deuteranopia (green-blind)

#433D1B

Tritanopia (blue-blind)

#6D1421

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #63221d;
/* rgb */ color: rgb(99, 34, 29);
/* oklch */ color: oklch(35.0% 0.095 27.5);

Tailwind

colors: {
  custom: {
    50: '#956059',
    500: '#63221d',
    950: '#000000',
  },
}

SCSS

$custom: #63221d;
$custom-light: #956059;
$custom-dark: #000000;

JSON

{
  "hex": "#63221d",
  "rgb": {
    "r": 99,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 4.286,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34984,
    "c": 0.0954,
    "h": 27.5
  },
  "luminance": 0.03885
}

Semantic roles & 50–950 ramp

primary

#63221D

secondary

#449298

accent

#D3DE4A

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63221D

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

Preview Lab → · Contrast checker → · Palette generator →