#644A18#644A18

#644A18 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.074 H 80.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#644A18
RGB	rgb(100, 74, 24)
HSL	hsl(39, 61%, 24%)
HSV	hsv(39, 76%, 39%)
CMYK	cmyk(0%, 26%, 76%, 60.8%)
CIE-LAB	lab(33.29, 5.46, 32.84)
CIE-LCH	lch(33.29, 33.29, 80.57°)
OKLab	oklab(42.7% 0.0124 0.0734)
OKLCH	oklch(42.7% 0.074 80.4)
XYZ	xyz(7.8697, 7.6734, 1.9306)
Luminance	0.0767 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A18 #183264

analogous

#642418 #644A18 #586418

triadic

#644A18 #18644A #4A1864

tetradic

#644A18 #186424 #183264 #641858

square

#644A18 #186424 #183264 #641858

split-complementary

#644A18 #185864 #241864

monochromatic

#191206 #33250C #644A18 #956F24 #C79330

Accessibility & contrast

On white

8.29

#644A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#644A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A18

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A18	#FFFFFF	#000000	##FFFFFF
##644A18	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)

#544A11

Deuteranopia (green-blind)

#5B511A

Tritanopia (blue-blind)

#6D4240

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #644a18;
/* rgb */ color: rgb(100, 74, 24);
/* oklch */ color: oklch(42.7% 0.074 80.4);

Tailwind

colors: {
  custom: {
    50: '#937c58',
    500: '#644a18',
    950: '#000000',
  },
}

SCSS

$custom: #644a18;
$custom-light: #937c58;
$custom-dark: #000000;

JSON

{
  "hex": "#644a18",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 24
  },
  "hsl": {
    "h": 39.474,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.42695,
    "c": 0.0744,
    "h": 80.4
  },
  "luminance": 0.07673
}

Semantic roles & 50–950 ramp

primary

#644A18

secondary

#3E5D9A

accent

#7AE443

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #644A18

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

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