#631D22#631D22

#631D22 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.101 H 20.2°. Best body text is #FFFFFF at 12.14:1 contrast (WCAG AA passes).

Color values

HEX#631D22
RGBrgb(99, 29, 34)
HSLhsl(356, 55%, 25%)
HSVhsv(356, 71%, 39%)
CMYKcmyk(0%, 70.7%, 65.7%, 61.2%)
CIE-LABlab(22.47, 31.86, 14.38)
CIE-LCHlch(22.47, 34.96, 24.29°)
OKLaboklab(34.4% 0.0946 0.0347)
OKLCHoklch(34.4% 0.101 20.2)
XYZxyz(5.8743, 3.6477, 1.9078)
Luminance0.0365 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631D22 #1D635E
analogous
#631D45 #631D22 #633B1D
triadic
#631D22 #22631D #1D2263
tetradic
#631D22 #45631D #1D635E #3B1D63
square
#631D22 #45631D #1D635E #3B1D63
split-complementary
#631D22 #1D633B #1D4563
monochromatic
#180708 #340F12 #631D22 #922B32 #C23943

Accessibility & contrast

On white

12.14
#631D22 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#631D22 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D22
12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631D22#FFFFFF#000000##FFFFFF
##631D221.0012.141.7312.14
#FFFFFF12.141.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2C22
Deuteranopia (green-blind)
#413B20
Tritanopia (blue-blind)
#6D0D1F
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #631d22;
/* rgb */ color: rgb(99, 29, 34);
/* oklch */ color: oklch(34.4% 0.101 20.2);
Tailwind
colors: {
  custom: {
    50: '#955e5c',
    500: '#631d22',
    950: '#000000',
  },
}
SCSS
$custom: #631d22;
$custom-light: #955e5c;
$custom-dark: #000000;
JSON
{
  "hex": "#631d22",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 34
  },
  "hsl": {
    "h": 355.714,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.10075,
    "h": 20.2
  },
  "luminance": 0.03647
}

Semantic roles & 50–950 ramp

primary
#631D22
secondary
#449892
accent
#DED34A
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0404
muted
#7E7979

Preview Lab

Preview with #631D22

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

Preview Lab → · Contrast checker → · Palette generator →

#631D22 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva