#644C18#644C18

#644C18 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.075 H 83.3°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#644C18
RGB	rgb(100, 76, 24)
HSL	hsl(41, 61%, 24%)
HSV	hsv(41, 76%, 39%)
CMYK	cmyk(0%, 24%, 76%, 60.8%)
CIE-LAB	lab(33.87, 4.23, 33.42)
CIE-LCH	lch(33.87, 33.69, 82.80°)
OKLab	oklab(43.15% 0.0088 0.0746)
OKLCH	oklch(43.15% 0.075 83.3)
XYZ	xyz(8.0053, 7.9447, 1.9758)
Luminance	0.0794 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C18 #183064

analogous

#642618 #644C18 #566418

triadic

#644C18 #18644C #4C1864

tetradic

#644C18 #186426 #183064 #641856

square

#644C18 #186426 #183064 #641856

split-complementary

#644C18 #185664 #261864

monochromatic

#191306 #33260C #644C18 #957224 #C79730

Accessibility & contrast

On white

8.11

#644C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#644C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C18

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C18	#FFFFFF	#000000	##FFFFFF
##644C18	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C11

Deuteranopia (green-blind)

#5C521A

Tritanopia (blue-blind)

#6D4441

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c18;
/* rgb */ color: rgb(100, 76, 24);
/* oklch */ color: oklch(43.1% 0.075 83.3);

Tailwind

colors: {
  custom: {
    50: '#937d58',
    500: '#644c18',
    950: '#000000',
  },
}

SCSS

$custom: #644c18;
$custom-light: #937d58;
$custom-dark: #000000;

JSON

{
  "hex": "#644c18",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 24
  },
  "hsl": {
    "h": 41.053,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.43146,
    "c": 0.07512,
    "h": 83.3
  },
  "luminance": 0.07944
}

Semantic roles & 50–950 ramp

primary

#644C18

secondary

#3E5B9A

accent

#76E443

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0903

muted

#7E7B78

Preview Lab

Preview with #644C18

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

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