#631A0E#631A0E

#631A0E is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.107 H 32.0°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX#631A0E
RGBrgb(99, 26, 14)
HSLhsl(8, 75%, 22%)
HSVhsv(8, 86%, 39%)
CMYKcmyk(0%, 73.7%, 85.9%, 61.2%)
CIE-LABlab(21.67, 32.14, 26.18)
CIE-LCHlch(21.67, 41.45, 39.16°)
OKLaboklab(33.7% 0.091 0.0568)
OKLCHoklch(33.7% 0.107 32)
XYZxyz(5.5949, 3.4240, 0.7817)
Luminance0.0342 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631A0E #0E5763
analogous
#630E2C #631A0E #63450E
triadic
#631A0E #0E631A #1A0E63
tetradic
#631A0E #2C630E #0E5763 #450E63
square
#631A0E #2C630E #0E5763 #450E63
split-complementary
#631A0E #0E6345 #0E2C63
monochromatic
#1B0704 #2D0C06 #631A0E #992816 #CE361D

Accessibility & contrast

On white

12.47
#631A0E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#631A0E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A0E
12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631A0E#FFFFFF#000000##FFFFFF
##631A0E1.0012.471.6812.47
#FFFFFF12.471.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2A0C
Deuteranopia (green-blind)
#423A0B
Tritanopia (blue-blind)
#6E0218
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #631a0e;
/* rgb */ color: rgb(99, 26, 14);
/* oklch */ color: oklch(33.7% 0.107 32.0);
Tailwind
colors: {
  custom: {
    50: '#965c4e',
    500: '#631a0e',
    950: '#000000',
  },
}
SCSS
$custom: #631a0e;
$custom-light: #965c4e;
$custom-dark: #000000;
JSON
{
  "hex": "#631a0e",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 14
  },
  "hsl": {
    "h": 8.471,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.337,
    "c": 0.10721,
    "h": 32
  },
  "luminance": 0.03423
}

Semantic roles & 50–950 ramp

primary
#631A0E
secondary
#308D9C
accent
#D7F236
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0401
muted
#7F7977

Preview Lab

Preview with #631A0E

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

Preview Lab → · Contrast checker → · Palette generator →

#631A0E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva