#644C17#644C17

#644C17 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.076 H 83.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#644C17
RGBrgb(100, 76, 23)
HSLhsl(41, 63%, 24%)
HSVhsv(41, 77%, 39%)
CMYKcmyk(0%, 24%, 77%, 60.8%)
CIE-LABlab(33.86, 4.17, 33.89)
CIE-LCHlch(33.86, 34.14, 82.99°)
OKLaboklab(43.14% 0.0085 0.0754)
OKLCHoklch(43.14% 0.076 83.6)
XYZxyz(7.9951, 7.9406, 1.9220)
Luminance0.0794 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C17 #172F64
analogous
#642617 #644C17 #566417
triadic
#644C17 #17644C #4C1764
tetradic
#644C17 #176426 #172F64 #641756
square
#644C17 #176426 #172F64 #641756
split-complementary
#644C17 #175664 #261764
monochromatic
#191306 #32260C #644C17 #967222 #C8982E

Accessibility & contrast

On white

8.11
#644C17 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#644C17 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C17
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C17#FFFFFF#000000##FFFFFF
##644C171.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C10
Deuteranopia (green-blind)
#5C5219
Tritanopia (blue-blind)
#6D4441
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c17;
/* rgb */ color: rgb(100, 76, 23);
/* oklch */ color: oklch(43.1% 0.076 83.6);
Tailwind
colors: {
  custom: {
    50: '#937d58',
    500: '#644c17',
    950: '#000000',
  },
}
SCSS
$custom: #644c17;
$custom-light: #937d58;
$custom-dark: #000000;
JSON
{
  "hex": "#644c17",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 23
  },
  "hsl": {
    "h": 41.299,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.43136,
    "c": 0.07586,
    "h": 83.6
  },
  "luminance": 0.0794
}

Semantic roles & 50–950 ramp

primary
#644C17
secondary
#3C5A9A
accent
#75E642
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644C17

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

Preview Lab → · Contrast checker → · Palette generator →

#644C17 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva