#644B13#644B13

#644B13 is a dark, moderate orange. Relative luminance 0.078; OKLCH L 42.9% C 0.078 H 83.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#644B13
RGBrgb(100, 75, 19)
HSLhsl(41, 68%, 23%)
HSVhsv(41, 81%, 39%)
CMYKcmyk(0%, 25%, 81%, 60.8%)
CIE-LABlab(33.54, 4.58, 35.39)
CIE-LCHlch(33.54, 35.68, 82.63°)
OKLaboklab(42.88% 0.0092 0.0777)
OKLCHoklch(42.88% 0.078 83.3)
XYZxyz(7.8897, 7.7891, 1.7039)
Luminance0.0779 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644B13 #132C64
analogous
#642213 #644B13 #546413
triadic
#644B13 #13644B #4B1364
tetradic
#644B13 #136422 #132C64 #641354
square
#644B13 #136422 #132C64 #641354
split-complementary
#644B13 #135464 #221364
monochromatic
#1A1305 #312409 #644B13 #97721D #CB9827

Accessibility & contrast

On white

8.21
#644B13 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#644B13 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B13
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644B13#FFFFFF#000000##FFFFFF
##644B131.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564B0A
Deuteranopia (green-blind)
#5C5116
Tritanopia (blue-blind)
#6D4340
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644b13;
/* rgb */ color: rgb(100, 75, 19);
/* oklch */ color: oklch(42.9% 0.078 83.3);
Tailwind
colors: {
  custom: {
    50: '#947d55',
    500: '#644b13',
    950: '#000000',
  },
}
SCSS
$custom: #644b13;
$custom-light: #947d55;
$custom-dark: #000000;
JSON
{
  "hex": "#644b13",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 19
  },
  "hsl": {
    "h": 41.481,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42876,
    "c": 0.07819,
    "h": 83.3
  },
  "luminance": 0.07788
}

Semantic roles & 50–950 ramp

primary
#644B13
secondary
#37569C
accent
#73EB3D
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644B13

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

Preview Lab → · Contrast checker → · Palette generator →

#644B13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva