#644E41#644E41

#644E41 is a dark, muted orange. Relative luminance 0.085; OKLCH L 44.3% C 0.036 H 52.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#644E41
RGBrgb(100, 78, 65)
HSLhsl(22, 21%, 32%)
HSVhsv(22, 35%, 39%)
CMYKcmyk(0%, 22%, 35%, 60.8%)
CIE-LABlab(35.08, 7.15, 11.22)
CIE-LCHlch(35.08, 13.31, 57.49°)
OKLaboklab(44.31% 0.0223 0.0286)
OKLCHoklch(44.31% 0.036 52.1)
XYZxyz(8.9343, 8.5402, 6.1778)
Luminance0.0854 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E41 #415764
analogous
#644146 #644E41 #646041
triadic
#644E41 #41644E #4E4164
tetradic
#644E41 #466441 #415764 #604164
square
#644E41 #466441 #415764 #604164
split-complementary
#644E41 #416460 #414664
monochromatic
#1A1411 #3F3129 #644E41 #896B59 #A78A78

Accessibility & contrast

On white

7.75
#644E41 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#644E41 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E41
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E41#FFFFFF#000000##FFFFFF
##644E411.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545040
Deuteranopia (green-blind)
#595441
Tritanopia (blue-blind)
#6A4A4A
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644e41;
/* rgb */ color: rgb(100, 78, 65);
/* oklch */ color: oklch(44.3% 0.036 52.1);
Tailwind
colors: {
  custom: {
    50: '#917f75',
    500: '#644e41',
    950: '#000000',
  },
}
SCSS
$custom: #644e41;
$custom-light: #917f75;
$custom-dark: #000000;
JSON
{
  "hex": "#644e41",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 65
  },
  "hsl": {
    "h": 22.286,
    "s": 21.212,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44307,
    "c": 0.03624,
    "h": 52.1
  },
  "luminance": 0.0854
}

Semantic roles & 50–950 ramp

primary
#644E41
secondary
#6E8593
accent
#9FBE6A
background
#F8F7F7
surface
#F0EEED
border
#CBC9C8
text
#0D0A08
muted
#7D7C7B

Preview Lab

Preview with #644E41

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

Preview Lab → · Contrast checker → · Palette generator →

#644E41 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva