#631220#631220

#631220 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.113 H 16.8°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#631220
RGB	rgb(99, 18, 32)
HSL	hsl(350, 69%, 23%)
HSV	hsv(350, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 67.7%, 61.2%)
CIE-LAB	lab(20.79, 36.25, 13.58)
CIE-LCH	lch(20.79, 38.71, 20.54°)
OKLab	oklab(33.13% 0.1082 0.0327)
OKLCH	oklch(33.13% 0.113 16.8)
XYZ	xyz(5.6232, 3.1904, 1.6859)
Luminance	0.0319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631220 #126355

analogous

#631248 #631220 #632D12

triadic

#631220 #206312 #122063

tetradic

#631220 #486312 #126355 #2D1263

square

#631220 #486312 #126355 #2D1263

split-complementary

#631220 #12632D #124863

monochromatic

#1A0508 #2F090F #631220 #971B31 #CB2541

Accessibility & contrast

On white

12.82

#631220 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631220 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631220

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631220	#FFFFFF	#000000	##FFFFFF
##631220	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292720

Deuteranopia (green-blind)

#3E381E

Tritanopia (blue-blind)

#6D0018

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631220;
/* rgb */ color: rgb(99, 18, 32);
/* oklch */ color: oklch(33.1% 0.113 16.8);

Tailwind

colors: {
  custom: {
    50: '#95585b',
    500: '#631220',
    950: '#000000',
  },
}

SCSS

$custom: #631220;
$custom-light: #95585b;
$custom-dark: #000000;

JSON

{
  "hex": "#631220",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 32
  },
  "hsl": {
    "h": 349.63,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33134,
    "c": 0.11298,
    "h": 16.8
  },
  "luminance": 0.0319
}

Semantic roles & 50–950 ramp

primary

#631220

secondary

#369B8A

accent

#ECCE3C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631220

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

Preview Lab → · Contrast checker → · Palette generator →