#644E1D#644E1D

#644E1D is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.7% C 0.072 H 84.5°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#644E1D
RGB	rgb(100, 78, 29)
HSL	hsl(41, 55%, 25%)
HSV	hsv(41, 71%, 39%)
CMYK	cmyk(0%, 22%, 71%, 60.8%)
CIE-LAB	lab(34.49, 3.31, 31.59)
CIE-LCH	lch(34.49, 31.77, 84.01°)
OKLab	oklab(43.65% 0.0069 0.0717)
OKLCH	oklch(43.65% 0.072 84.5)
XYZ	xyz(8.2022, 8.2473, 2.3220)
Luminance	0.0825 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E1D #1D3364

analogous

#642A1D #644E1D #57641D

triadic

#644E1D #1D644E #4E1D64

tetradic

#644E1D #1D642A #1D3364 #641D57

square

#644E1D #1D642A #1D3364 #641D57

split-complementary

#644E1D #1D5764 #2A1D64

monochromatic

#181307 #35290F #644E1D #93732B #C39839

Accessibility & contrast

On white

7.93

#644E1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#644E1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E1D

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E1D	#FFFFFF	#000000	##FFFFFF
##644E1D	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E17

Deuteranopia (green-blind)

#5D531F

Tritanopia (blue-blind)

#6D4744

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644e1d;
/* rgb */ color: rgb(100, 78, 29);
/* oklch */ color: oklch(43.7% 0.072 84.5);

Tailwind

colors: {
  custom: {
    50: '#937f5b',
    500: '#644e1d',
    950: '#000000',
  },
}

SCSS

$custom: #644e1d;
$custom-light: #937f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#644e1d",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 29
  },
  "hsl": {
    "h": 41.408,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43652,
    "c": 0.07204,
    "h": 84.5
  },
  "luminance": 0.08247
}

Semantic roles & 50–950 ramp

primary

#644E1D

secondary

#445E99

accent

#78DE49

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #644E1D

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

Preview Lab → · Contrast checker → · Palette generator →