#631822#631822

#631822 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.107 H 17.6°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#631822
RGB	rgb(99, 24, 34)
HSL	hsl(352, 61%, 24%)
HSV	hsv(352, 76%, 39%)
CMYK	cmyk(0%, 75.8%, 65.7%, 61.2%)
CIE-LAB	lab(21.66, 34.08, 13.33)
CIE-LCH	lch(21.66, 36.59, 21.36°)
OKLab	oklab(33.79% 0.1016 0.0323)
OKLCH	oklch(33.79% 0.107 17.6)
XYZ	xyz(5.7615, 3.4222, 1.8702)
Luminance	0.0342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631822 #186359

analogous

#631848 #631822 #633418

triadic

#631822 #226318 #182263

tetradic

#631822 #486318 #186359 #341863

square

#631822 #486318 #186359 #341863

split-complementary

#631822 #186334 #184863

monochromatic

#190608 #320C11 #631822 #942433 #C63044

Accessibility & contrast

On white

12.47

#631822 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#631822 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631822

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631822	#FFFFFF	#000000	##FFFFFF
##631822	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2A22

Deuteranopia (green-blind)

#3F3A20

Tritanopia (blue-blind)

#6D041C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631822;
/* rgb */ color: rgb(99, 24, 34);
/* oklch */ color: oklch(33.8% 0.107 17.6);

Tailwind

colors: {
  custom: {
    50: '#955b5c',
    500: '#631822',
    950: '#000000',
  },
}

SCSS

$custom: #631822;
$custom-light: #955b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#631822",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 34
  },
  "hsl": {
    "h": 352,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33794,
    "c": 0.10665,
    "h": 17.6
  },
  "luminance": 0.03421
}

Semantic roles & 50–950 ramp

primary

#631822

secondary

#3E998D

accent

#E4CF44

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631822

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

Preview Lab → · Contrast checker → · Palette generator →