#644A1D#644A1D

#644A1D is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.070 H 78.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX#644A1D
RGBrgb(100, 74, 29)
HSLhsl(38, 55%, 25%)
HSVhsv(38, 71%, 39%)
CMYKcmyk(0%, 26%, 71%, 60.8%)
CIE-LABlab(33.34, 5.77, 30.35)
CIE-LCHlch(33.34, 30.89, 79.24°)
OKLaboklab(42.75% 0.014 0.0691)
OKLCHoklch(42.75% 0.07 78.5)
XYZxyz(7.9266, 7.6962, 2.2302)
Luminance0.0770 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A1D #1D3764
analogous
#64261D #644A1D #5A641D
triadic
#644A1D #1D644A #4A1D64
tetradic
#644A1D #1D6426 #1D3764 #641D5A
square
#644A1D #1D6426 #1D3764 #641D5A
split-complementary
#644A1D #1D5A64 #261D64
monochromatic
#181207 #35270F #644A1D #936D2B #C39039

Accessibility & contrast

On white

8.27
#644A1D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#644A1D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A1D
8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A1D#FFFFFF#000000##FFFFFF
##644A1D1.008.272.548.27
#FFFFFF8.271.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B18
Deuteranopia (green-blind)
#5A511E
Tritanopia (blue-blind)
#6D4340
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a1d;
/* rgb */ color: rgb(100, 74, 29);
/* oklch */ color: oklch(42.7% 0.070 78.5);
Tailwind
colors: {
  custom: {
    50: '#937c5b',
    500: '#644a1d',
    950: '#000000',
  },
}
SCSS
$custom: #644a1d;
$custom-light: #937c5b;
$custom-dark: #000000;
JSON
{
  "hex": "#644a1d",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 29
  },
  "hsl": {
    "h": 38.028,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.42749,
    "c": 0.07048,
    "h": 78.5
  },
  "luminance": 0.07696
}

Semantic roles & 50–950 ramp

primary
#644A1D
secondary
#446399
accent
#80DE49
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0904
muted
#7E7B79

Preview Lab

Preview with #644A1D

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

Preview Lab → · Contrast checker → · Palette generator →

#644A1D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva