#641B0E#641B0E

#641B0E is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 32.4°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX#641B0E
RGBrgb(100, 27, 14)
HSLhsl(9, 75%, 22%)
HSVhsv(9, 86%, 39%)
CMYKcmyk(0%, 73%, 86%, 60.8%)
CIE-LABlab(22.04, 32.07, 26.63)
CIE-LCHlch(22.04, 41.69, 39.71°)
OKLaboklab(34.02% 0.0906 0.0576)
OKLCHoklch(34.02% 0.107 32.4)
XYZxyz(5.7274, 3.5258, 0.7943)
Luminance0.0352 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641B0E #0E5764
analogous
#640E2C #641B0E #64460E
triadic
#641B0E #0E641B #1B0E64
tetradic
#641B0E #2C640E #0E5764 #460E64
square
#641B0E #2C640E #0E5764 #460E64
split-complementary
#641B0E #0E6446 #0E2C64
monochromatic
#1B0704 #2E0D06 #641B0E #9A2916 #CF381D

Accessibility & contrast

On white

12.32
#641B0E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#641B0E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B0E
12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641B0E#FFFFFF#000000##FFFFFF
##641B0E1.0012.321.7012.32
#FFFFFF12.321.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302A0C
Deuteranopia (green-blind)
#423B0B
Tritanopia (blue-blind)
#6F0319
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #641b0e;
/* rgb */ color: rgb(100, 27, 14);
/* oklch */ color: oklch(34.0% 0.107 32.4);
Tailwind
colors: {
  custom: {
    50: '#975c4e',
    500: '#641b0e',
    950: '#000000',
  },
}
SCSS
$custom: #641b0e;
$custom-light: #975c4e;
$custom-dark: #000000;
JSON
{
  "hex": "#641b0e",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 14
  },
  "hsl": {
    "h": 9.07,
    "s": 75.439,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34015,
    "c": 0.10737,
    "h": 32.4
  },
  "luminance": 0.03525
}

Semantic roles & 50–950 ramp

primary
#641B0E
secondary
#318D9D
accent
#D6F236
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0401
muted
#7F7977

Preview Lab

Preview with #641B0E

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

Preview Lab → · Contrast checker → · Palette generator →

#641B0E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva