#644F2D#644F2D

#644F2D is a dark, muted orange. Relative luminance 0.085; OKLCH L 44.1% C 0.057 H 78.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#644F2D
RGBrgb(100, 79, 45)
HSLhsl(37, 38%, 28%)
HSVhsv(37, 55%, 39%)
CMYKcmyk(0%, 21%, 55%, 60.8%)
CIE-LABlab(34.99, 4.05, 23.29)
CIE-LCHlch(34.99, 23.64, 80.13°)
OKLaboklab(44.11% 0.0114 0.0558)
OKLCHoklch(44.11% 0.057 78.5)
XYZxyz(8.5255, 8.4912, 3.6720)
Luminance0.0849 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F2D #2D4264
analogous
#64332D #644F2D #5D642D
triadic
#644F2D #2D644F #4F2D64
tetradic
#644F2D #2D6433 #2D4264 #642D5D
square
#644F2D #2D6433 #2D4264 #642D5D
split-complementary
#644F2D #2D5D64 #332D64
monochromatic
#151109 #3A2E1A #644F2D #8E7040 #B49158

Accessibility & contrast

On white

7.78
#644F2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#644F2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F2D
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F2D#FFFFFF#000000##FFFFFF
##644F2D1.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574F2A
Deuteranopia (green-blind)
#5C542E
Tritanopia (blue-blind)
#6C4947
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644f2d;
/* rgb */ color: rgb(100, 79, 45);
/* oklch */ color: oklch(44.1% 0.057 78.5);
Tailwind
colors: {
  custom: {
    50: '#928066',
    500: '#644f2d',
    950: '#000000',
  },
}
SCSS
$custom: #644f2d;
$custom-light: #928066;
$custom-dark: #000000;
JSON
{
  "hex": "#644f2d",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 45
  },
  "hsl": {
    "h": 37.091,
    "s": 37.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.44105,
    "c": 0.05696,
    "h": 78.5
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary
#644F2D
secondary
#576F96
accent
#86CE5A
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A06
muted
#7E7C7A

Preview Lab

Preview with #644F2D

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

Preview Lab → · Contrast checker → · Palette generator →

#644F2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva