#644A0F#644A0F

#644A0F is a dark, moderate orange. Relative luminance 0.076; OKLCH L 42.6% C 0.080 H 82.9°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX#644A0F
RGBrgb(100, 74, 15)
HSLhsl(42, 74%, 23%)
HSVhsv(42, 85%, 39%)
CMYKcmyk(0%, 26%, 85%, 60.8%)
CIE-LABlab(33.23, 5.02, 36.75)
CIE-LCHlch(33.23, 37.09, 82.23°)
OKLaboklab(42.62% 0.0099 0.0796)
OKLCHoklch(42.62% 0.08 82.9)
XYZxyz(7.7911, 7.6420, 1.5165)
Luminance0.0764 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A0F #0F2964
analogous
#641F0F #644A0F #53640F
triadic
#644A0F #0F644A #4A0F64
tetradic
#644A0F #0F641F #0F2964 #640F53
square
#644A0F #0F641F #0F2964 #640F53
split-complementary
#644A0F #0F5364 #1F0F64
monochromatic
#1B1404 #2F2307 #644A0F #997117 #CE991F

Accessibility & contrast

On white

8.31
#644A0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#644A0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A0F
8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A0F#FFFFFF#000000##FFFFFF
##644A0F1.008.312.538.31
#FFFFFF8.311.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554A04
Deuteranopia (green-blind)
#5B5112
Tritanopia (blue-blind)
#6D423F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a0f;
/* rgb */ color: rgb(100, 74, 15);
/* oklch */ color: oklch(42.6% 0.080 82.9);
Tailwind
colors: {
  custom: {
    50: '#947c53',
    500: '#644a0f',
    950: '#000000',
  },
}
SCSS
$custom: #644a0f;
$custom-light: #947c53;
$custom-dark: #000000;
JSON
{
  "hex": "#644a0f",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 15
  },
  "hsl": {
    "h": 41.647,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42621,
    "c": 0.08021,
    "h": 82.9
  },
  "luminance": 0.07641
}

Semantic roles & 50–950 ramp

primary
#644A0F
secondary
#32539D
accent
#70F137
background
#F9F7F4
surface
#F2EEE7
border
#CCC9C3
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644A0F

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

Preview Lab → · Contrast checker → · Palette generator →

#644A0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva