#641C11#641C11

#641C11 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.106 H 31.5°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX#641C11
RGBrgb(100, 28, 17)
HSLhsl(8, 71%, 23%)
HSVhsv(8, 83%, 39%)
CMYKcmyk(0%, 72%, 83%, 60.8%)
CIE-LABlab(22.24, 31.73, 25.21)
CIE-LCHlch(22.24, 40.53, 38.47°)
OKLaboklab(34.17% 0.0902 0.0552)
OKLCHoklch(34.17% 0.106 31.5)
XYZxyz(5.7726, 3.5812, 0.9175)
Luminance0.0358 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641C11 #115964
analogous
#64112F #641C11 #644511
triadic
#641C11 #11641C #1C1164
tetradic
#641C11 #2F6411 #115964 #451164
square
#641C11 #2F6411 #115964 #451164
split-complementary
#641C11 #116445 #112F64
monochromatic
#1A0704 #300D08 #641C11 #982B1A #CD3923

Accessibility & contrast

On white

12.24
#641C11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#641C11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C11
12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641C11#FFFFFF#000000##FFFFFF
##641C111.0012.241.7212.24
#FFFFFF12.241.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312B0F
Deuteranopia (green-blind)
#433B0E
Tritanopia (blue-blind)
#6F051A
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #641c11;
/* rgb */ color: rgb(100, 28, 17);
/* oklch */ color: oklch(34.2% 0.106 31.5);
Tailwind
colors: {
  custom: {
    50: '#975d50',
    500: '#641c11',
    950: '#000000',
  },
}
SCSS
$custom: #641c11;
$custom-light: #975d50;
$custom-dark: #000000;
JSON
{
  "hex": "#641c11",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 17
  },
  "hsl": {
    "h": 7.952,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34174,
    "c": 0.10577,
    "h": 31.5
  },
  "luminance": 0.0358
}

Semantic roles & 50–950 ramp

primary
#641C11
secondary
#358F9C
accent
#D6EE3A
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0402
muted
#7F7978

Preview Lab

Preview with #641C11

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

Preview Lab → · Contrast checker → · Palette generator →

#641C11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva