#641F11#641F11

#641F11 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.103 H 33.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX#641F11
RGBrgb(100, 31, 17)
HSLhsl(10, 71%, 23%)
HSVhsv(10, 83%, 39%)
CMYKcmyk(0%, 69%, 83%, 60.8%)
CIE-LABlab(22.76, 30.31, 25.76)
CIE-LCHlch(22.76, 39.78, 40.36°)
OKLaboklab(34.57% 0.0858 0.0564)
OKLCHoklch(34.57% 0.103 33.3)
XYZxyz(5.8473, 3.7306, 0.9424)
Luminance0.0373 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641F11 #115664
analogous
#64112D #641F11 #644811
triadic
#641F11 #11641F #1F1164
tetradic
#641F11 #2D6411 #115664 #481164
square
#641F11 #2D6411 #115664 #481164
split-complementary
#641F11 #116448 #112D64
monochromatic
#1A0804 #300F08 #641F11 #982F1A #CD3F23

Accessibility & contrast

On white

12.03
#641F11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#641F11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F11
12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641F11#FFFFFF#000000##FFFFFF
##641F111.0012.031.7512.03
#FFFFFF12.031.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#332D0F
Deuteranopia (green-blind)
#443C0E
Tritanopia (blue-blind)
#6F0C1C
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #641f11;
/* rgb */ color: rgb(100, 31, 17);
/* oklch */ color: oklch(34.6% 0.103 33.3);
Tailwind
colors: {
  custom: {
    50: '#975e50',
    500: '#641f11',
    950: '#000000',
  },
}
SCSS
$custom: #641f11;
$custom-light: #975e50;
$custom-dark: #000000;
JSON
{
  "hex": "#641f11",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 17
  },
  "hsl": {
    "h": 10.12,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34568,
    "c": 0.10268,
    "h": 33.3
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary
#641F11
secondary
#358B9C
accent
#CFEE3A
background
#F9F5F4
surface
#F2E9E7
border
#CCC5C3
text
#0F0502
muted
#7E7978

Preview Lab

Preview with #641F11

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

Preview Lab → · Contrast checker → · Palette generator →

#641F11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva