#63221B#63221B

#63221B is a dark, moderate red. Relative luminance 0.039; OKLCH L 34.9% C 0.096 H 29.0°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#63221B
RGB	rgb(99, 34, 27)
HSL	hsl(6, 57%, 25%)
HSV	hsv(6, 73%, 39%)
CMYK	cmyk(0%, 65.7%, 72.7%, 61.2%)
CIE-LAB	lab(23.26, 28.93, 20.03)
CIE-LCH	lch(23.26, 35.19, 34.69°)
OKLab	oklab(34.95% 0.0838 0.0464)
OKLCH	oklch(34.95% 0.096 29)
XYZ	xyz(5.9160, 3.8766, 1.4734)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63221B #1B5C63

analogous

#631B38 #63221B #63461B

triadic

#63221B #1B6322 #221B63

tetradic

#63221B #38631B #1B5C63 #461B63

square

#63221B #38631B #1B5C63 #461B63

split-complementary

#63221B #1B6346 #1B3863

monochromatic

#180807 #33110E #63221B #933328 #C34335

Accessibility & contrast

On white

11.83

#63221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#63221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63221B

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63221B	#FFFFFF	#000000	##FFFFFF
##63221B	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332F1A

Deuteranopia (green-blind)

#443D19

Tritanopia (blue-blind)

#6D1321

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #63221b;
/* rgb */ color: rgb(99, 34, 27);
/* oklch */ color: oklch(34.9% 0.096 29.0);

Tailwind

colors: {
  custom: {
    50: '#956057',
    500: '#63221b',
    950: '#000000',
  },
}

SCSS

$custom: #63221b;
$custom-light: #956057;
$custom-dark: #000000;

JSON

{
  "hex": "#63221b",
  "rgb": {
    "r": 99,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 5.833,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34949,
    "c": 0.09583,
    "h": 29
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#63221B

secondary

#419098

accent

#D2E047

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #63221B

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

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