#644B11#644B11

#644B11 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.079 H 83.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#644B11
RGBrgb(100, 75, 17)
HSLhsl(42, 71%, 23%)
HSVhsv(42, 83%, 39%)
CMYKcmyk(0%, 25%, 83%, 60.8%)
CIE-LABlab(33.53, 4.49, 36.22)
CIE-LCHlch(33.53, 36.50, 82.94°)
OKLaboklab(42.86% 0.0086 0.079)
OKLCHoklch(42.86% 0.079 83.8)
XYZxyz(7.8733, 7.7825, 1.6177)
Luminance0.0778 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644B11 #112A64
analogous
#642211 #644B11 #536411
triadic
#644B11 #11644B #4B1164
tetradic
#644B11 #116422 #112A64 #641153
square
#644B11 #116422 #112A64 #641153
split-complementary
#644B11 #115364 #221164
monochromatic
#1A1404 #302408 #644B11 #98721A #CD9923

Accessibility & contrast

On white

8.21
#644B11 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#644B11 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B11
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644B11#FFFFFF#000000##FFFFFF
##644B111.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564B07
Deuteranopia (green-blind)
#5C5114
Tritanopia (blue-blind)
#6D4340
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644b11;
/* rgb */ color: rgb(100, 75, 17);
/* oklch */ color: oklch(42.9% 0.079 83.8);
Tailwind
colors: {
  custom: {
    50: '#947d54',
    500: '#644b11',
    950: '#000000',
  },
}
SCSS
$custom: #644b11;
$custom-light: #947d54;
$custom-dark: #000000;
JSON
{
  "hex": "#644b11",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 17
  },
  "hsl": {
    "h": 41.928,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.4286,
    "c": 0.07942,
    "h": 83.8
  },
  "luminance": 0.07782
}

Semantic roles & 50–950 ramp

primary
#644B11
secondary
#35549C
accent
#70EE3A
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644B11

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

Preview Lab → · Contrast checker → · Palette generator →

#644B11 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva