#644D41#644D41

#644D41 is a dark, muted orange. Relative luminance 0.084; OKLCH L 44.1% C 0.037 H 48.9°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX#644D41
RGBrgb(100, 77, 65)
HSLhsl(21, 21%, 32%)
HSVhsv(21, 35%, 39%)
CMYKcmyk(0%, 23%, 35%, 60.8%)
CIE-LABlab(34.80, 7.77, 10.83)
CIE-LCHlch(34.80, 13.33, 54.34°)
OKLaboklab(44.09% 0.0241 0.0276)
OKLCHoklch(44.09% 0.037 48.9)
XYZxyz(8.8638, 8.3992, 6.1543)
Luminance0.0840 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D41 #415864
analogous
#644147 #644D41 #645E41
triadic
#644D41 #41644D #4D4164
tetradic
#644D41 #476441 #415864 #5E4164
square
#644D41 #476441 #415864 #5E4164
split-complementary
#644D41 #41645E #414764
monochromatic
#1A1411 #3F3029 #644D41 #896A59 #A78878

Accessibility & contrast

On white

7.84
#644D41 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#644D41 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D41
7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D41#FFFFFF#000000##FFFFFF
##644D411.007.842.687.84
#FFFFFF7.841.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534F40
Deuteranopia (green-blind)
#585441
Tritanopia (blue-blind)
#6A494A
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644d41;
/* rgb */ color: rgb(100, 77, 65);
/* oklch */ color: oklch(44.1% 0.037 48.9);
Tailwind
colors: {
  custom: {
    50: '#917e75',
    500: '#644d41',
    950: '#000000',
  },
}
SCSS
$custom: #644d41;
$custom-light: #917e75;
$custom-dark: #000000;
JSON
{
  "hex": "#644d41",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 65
  },
  "hsl": {
    "h": 20.571,
    "s": 21.212,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44086,
    "c": 0.03666,
    "h": 48.9
  },
  "luminance": 0.08399
}

Semantic roles & 50–950 ramp

primary
#644D41
secondary
#6E8693
accent
#A1BE6A
background
#F8F7F7
surface
#F0EEED
border
#CBC9C8
text
#0D0A08
muted
#7D7C7B

Preview Lab

Preview with #644D41

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

Preview Lab → · Contrast checker → · Palette generator →

#644D41 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva