#631920#631920

#631920 is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.9% C 0.106 H 19.7°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX#631920
RGBrgb(99, 25, 32)
HSLhsl(354, 60%, 24%)
HSVhsv(354, 75%, 39%)
CMYKcmyk(0%, 74.7%, 67.7%, 61.2%)
CIE-LABlab(21.77, 33.52, 14.85)
CIE-LCHlch(21.77, 36.66, 23.90°)
OKLaboklab(33.87% 0.0994 0.0356)
OKLCHoklch(33.87% 0.106 19.7)
XYZxyz(5.7545, 3.4530, 1.7297)
Luminance0.0345 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631920 #19635C
analogous
#631945 #631920 #633719
triadic
#631920 #206319 #192063
tetradic
#631920 #456319 #19635C #371963
square
#631920 #456319 #19635C #371963
split-complementary
#631920 #196337 #194563
monochromatic
#180608 #320D10 #631920 #942530 #C53240

Accessibility & contrast

On white

12.42
#631920 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#631920 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631920
12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631920#FFFFFF#000000##FFFFFF
##6319201.0012.421.6912.42
#FFFFFF12.421.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D2A20
Deuteranopia (green-blind)
#403A1E
Tritanopia (blue-blind)
#6D051C
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #631920;
/* rgb */ color: rgb(99, 25, 32);
/* oklch */ color: oklch(33.9% 0.106 19.7);
Tailwind
colors: {
  custom: {
    50: '#955c5b',
    500: '#631920',
    950: '#000000',
  },
}
SCSS
$custom: #631920;
$custom-light: #955c5b;
$custom-dark: #000000;
JSON
{
  "hex": "#631920",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 32
  },
  "hsl": {
    "h": 354.324,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33865,
    "c": 0.10559,
    "h": 19.7
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary
#631920
secondary
#3F9990
accent
#E3D445
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0404
muted
#7E7979

Preview Lab

Preview with #631920

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

Preview Lab → · Contrast checker → · Palette generator →

#631920 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva