#644D18#644D18

#644D18 is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.4% C 0.076 H 84.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#644D18
RGBrgb(100, 77, 24)
HSLhsl(42, 61%, 24%)
HSVhsv(42, 76%, 39%)
CMYKcmyk(0%, 23%, 76%, 60.8%)
CIE-LABlab(34.16, 3.61, 33.72)
CIE-LCHlch(34.16, 33.91, 83.88°)
OKLaboklab(43.37% 0.007 0.0752)
OKLCHoklch(43.37% 0.076 84.7)
XYZxyz(8.0748, 8.0836, 1.9990)
Luminance0.0808 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D18 #182F64
analogous
#642718 #644D18 #556418
triadic
#644D18 #18644D #4D1864
tetradic
#644D18 #186427 #182F64 #641855
square
#644D18 #186427 #182F64 #641855
split-complementary
#644D18 #185564 #271864
monochromatic
#191306 #33270C #644D18 #957324 #C79930

Accessibility & contrast

On white

8.03
#644D18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#644D18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D18
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D18#FFFFFF#000000##FFFFFF
##644D181.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D11
Deuteranopia (green-blind)
#5D531A
Tritanopia (blue-blind)
#6D4642
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644d18;
/* rgb */ color: rgb(100, 77, 24);
/* oklch */ color: oklch(43.4% 0.076 84.7);
Tailwind
colors: {
  custom: {
    50: '#937e58',
    500: '#644d18',
    950: '#000000',
  },
}
SCSS
$custom: #644d18;
$custom-light: #937e58;
$custom-dark: #000000;
JSON
{
  "hex": "#644d18",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 24
  },
  "hsl": {
    "h": 41.842,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.43373,
    "c": 0.07556,
    "h": 84.7
  },
  "luminance": 0.08083
}

Semantic roles & 50–950 ramp

primary
#644D18
secondary
#3E5A9A
accent
#74E443
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0903
muted
#7E7B78

Preview Lab

Preview with #644D18

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

Preview Lab → · Contrast checker → · Palette generator →

#644D18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva