#644A13#644A13

#644A13 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.078 H 81.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX#644A13
RGBrgb(100, 74, 19)
HSLhsl(41, 68%, 23%)
HSVhsv(41, 81%, 39%)
CMYKcmyk(0%, 26%, 81%, 60.8%)
CIE-LABlab(33.25, 5.19, 35.11)
CIE-LCHlch(33.25, 35.50, 81.59°)
OKLaboklab(42.65% 0.0109 0.0771)
OKLCHoklch(42.65% 0.078 81.9)
XYZxyz(7.8224, 7.6545, 1.6814)
Luminance0.0765 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A13 #132D64
analogous
#642113 #644A13 #556413
triadic
#644A13 #13644A #4A1364
tetradic
#644A13 #136421 #132D64 #641355
square
#644A13 #136421 #132D64 #641355
split-complementary
#644A13 #135564 #211364
monochromatic
#1A1305 #312409 #644A13 #97701D #CB9627

Accessibility & contrast

On white

8.30
#644A13 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#644A13 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A13
8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A13#FFFFFF#000000##FFFFFF
##644A131.008.302.538.30
#FFFFFF8.301.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554A0A
Deuteranopia (green-blind)
#5B5115
Tritanopia (blue-blind)
#6D423F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a13;
/* rgb */ color: rgb(100, 74, 19);
/* oklch */ color: oklch(42.7% 0.078 81.9);
Tailwind
colors: {
  custom: {
    50: '#947c55',
    500: '#644a13',
    950: '#000000',
  },
}
SCSS
$custom: #644a13;
$custom-light: #947c55;
$custom-dark: #000000;
JSON
{
  "hex": "#644a13",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 19
  },
  "hsl": {
    "h": 40.741,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42651,
    "c": 0.07783,
    "h": 81.9
  },
  "luminance": 0.07654
}

Semantic roles & 50–950 ramp

primary
#644A13
secondary
#37579C
accent
#75EB3D
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644A13

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

Preview Lab → · Contrast checker → · Palette generator →

#644A13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva