#644C36#644C36

#644C36 is a dark, muted orange. Relative luminance 0.081; OKLCH L 43.6% C 0.047 H 63.6°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#644C36
RGB	rgb(100, 76, 54)
HSL	hsl(29, 30%, 30%)
HSV	hsv(29, 46%, 39%)
CMYK	cmyk(0%, 24%, 46%, 60.8%)
CIE-LAB	lab(34.28, 6.91, 16.97)
CIE-LCH	lch(34.28, 18.32, 67.84°)
OKLab	oklab(43.61% 0.0208 0.042)
OKLCH	oklch(43.61% 0.047 63.6)
XYZ	xyz(8.5061, 8.1450, 4.6134)
Luminance	0.0814 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C36 #364E64

analogous

#643637 #644C36 #646336

triadic

#644C36 #36644C #4C3664

tetradic

#644C36 #376436 #364E64 #633664

square

#644C36 #376436 #364E64 #633664

split-complementary

#644C36 #366463 #363764

monochromatic

#15100B #3C2E21 #644C36 #8C6A4B #AD8967

Accessibility & contrast

On white

7.99

#644C36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#644C36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C36

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C36	#FFFFFF	#000000	##FFFFFF
##644C36	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D34

Deuteranopia (green-blind)

#595336

Tritanopia (blue-blind)

#6B4746

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644c36;
/* rgb */ color: rgb(100, 76, 54);
/* oklch */ color: oklch(43.6% 0.047 63.6);

Tailwind

colors: {
  custom: {
    50: '#917e6d',
    500: '#644c36',
    950: '#000000',
  },
}

SCSS

$custom: #644c36;
$custom-light: #917e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#644c36",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 54
  },
  "hsl": {
    "h": 28.696,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43606,
    "c": 0.04688,
    "h": 63.6
  },
  "luminance": 0.08145
}

Semantic roles & 50–950 ramp

primary

#644C36

secondary

#617C95

accent

#96C662

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0907

muted

#7E7B7A

Preview Lab

Preview with #644C36

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

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