#644A17#644A17

#644A17 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.075 H 80.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#644A17
RGB	rgb(100, 74, 23)
HSL	hsl(40, 63%, 24%)
HSV	hsv(40, 77%, 39%)
CMYK	cmyk(0%, 26%, 77%, 60.8%)
CIE-LAB	lab(33.28, 5.40, 33.31)
CIE-LCH	lch(33.28, 33.74, 80.79°)
OKLab	oklab(42.69% 0.0121 0.0741)
OKLCH	oklch(42.69% 0.075 80.8)
XYZ	xyz(7.8595, 7.6693, 1.8768)
Luminance	0.0767 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A17 #173164

analogous

#642417 #644A17 #586417

triadic

#644A17 #17644A #4A1764

tetradic

#644A17 #176424 #173164 #641758

square

#644A17 #176424 #173164 #641758

split-complementary

#644A17 #175864 #241764

monochromatic

#191206 #32250C #644A17 #966F22 #C8942E

Accessibility & contrast

On white

8.29

#644A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#644A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A17

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A17	#FFFFFF	#000000	##FFFFFF
##644A17	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A10

Deuteranopia (green-blind)

#5B5119

Tritanopia (blue-blind)

#6D4240

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #644a17;
/* rgb */ color: rgb(100, 74, 23);
/* oklch */ color: oklch(42.7% 0.075 80.8);

Tailwind

colors: {
  custom: {
    50: '#937c57',
    500: '#644a17',
    950: '#000000',
  },
}

SCSS

$custom: #644a17;
$custom-light: #937c57;
$custom-dark: #000000;

JSON

{
  "hex": "#644a17",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 23
  },
  "hsl": {
    "h": 39.74,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.42686,
    "c": 0.07513,
    "h": 80.8
  },
  "luminance": 0.07669
}

Semantic roles & 50–950 ramp

primary

#644A17

secondary

#3C5C9A

accent

#79E642

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644A17

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

Preview Lab → · Contrast checker → · Palette generator →