#641D11#641D11

#641D11 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.105 H 32.1°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX#641D11
RGBrgb(100, 29, 17)
HSLhsl(9, 71%, 23%)
HSVhsv(9, 83%, 39%)
CMYKcmyk(0%, 71%, 83%, 60.8%)
CIE-LABlab(22.41, 31.27, 25.39)
CIE-LCHlch(22.41, 40.28, 39.08°)
OKLaboklab(34.3% 0.0888 0.0556)
OKLCHoklch(34.3% 0.105 32.1)
XYZxyz(5.7967, 3.6294, 0.9255)
Luminance0.0363 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641D11 #115864
analogous
#64112E #641D11 #644611
triadic
#641D11 #11641D #1D1164
tetradic
#641D11 #2E6411 #115864 #461164
square
#641D11 #2E6411 #115864 #461164
split-complementary
#641D11 #116446 #112E64
monochromatic
#1A0804 #300E08 #641D11 #982C1A #CD3B23

Accessibility & contrast

On white

12.17
#641D11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#641D11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D11
12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641D11#FFFFFF#000000##FFFFFF
##641D111.0012.171.7312.17
#FFFFFF12.171.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312C0F
Deuteranopia (green-blind)
#433B0E
Tritanopia (blue-blind)
#6F071B
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #641d11;
/* rgb */ color: rgb(100, 29, 17);
/* oklch */ color: oklch(34.3% 0.105 32.1);
Tailwind
colors: {
  custom: {
    50: '#975d50',
    500: '#641d11',
    950: '#000000',
  },
}
SCSS
$custom: #641d11;
$custom-light: #975d50;
$custom-dark: #000000;
JSON
{
  "hex": "#641d11",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 17
  },
  "hsl": {
    "h": 8.675,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34302,
    "c": 0.10474,
    "h": 32.1
  },
  "luminance": 0.03629
}

Semantic roles & 50–950 ramp

primary
#641D11
secondary
#358D9C
accent
#D4EE3A
background
#F9F5F4
surface
#F2E9E7
border
#CCC5C3
text
#0F0402
muted
#7E7978

Preview Lab

Preview with #641D11

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

Preview Lab → · Contrast checker → · Palette generator →

#641D11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva