#644C1A#644C1A

#644C1A is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.2% C 0.074 H 82.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#644C1A
RGB	rgb(100, 76, 26)
HSL	hsl(41, 59%, 25%)
HSV	hsv(41, 74%, 39%)
CMYK	cmyk(0%, 24%, 74%, 60.8%)
CIE-LAB	lab(33.89, 4.34, 32.46)
CIE-LCH	lch(33.89, 32.75, 82.38°)
OKLab	oklab(43.17% 0.0094 0.073)
OKLCH	oklch(43.17% 0.074 82.6)
XYZ	xyz(8.0269, 7.9533, 2.0895)
Luminance	0.0795 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C1A #1A3264

analogous

#64271A #644C1A #57641A

triadic

#644C1A #1A644C #4C1A64

tetradic

#644C1A #1A6427 #1A3264 #641A57

square

#644C1A #1A6427 #1A3264 #641A57

split-complementary

#644C1A #1A5764 #271A64

monochromatic

#181206 #33270D #644C1A #957127 #C59633

Accessibility & contrast

On white

8.11

#644C1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#644C1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C1A

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C1A	#FFFFFF	#000000	##FFFFFF
##644C1A	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)

#564C14

Deuteranopia (green-blind)

#5C521C

Tritanopia (blue-blind)

#6D4542

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c1a;
/* rgb */ color: rgb(100, 76, 26);
/* oklch */ color: oklch(43.2% 0.074 82.6);

Tailwind

colors: {
  custom: {
    50: '#937d59',
    500: '#644c1a',
    950: '#000000',
  },
}

SCSS

$custom: #644c1a;
$custom-light: #937d59;
$custom-dark: #000000;

JSON

{
  "hex": "#644c1a",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 26
  },
  "hsl": {
    "h": 40.541,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43166,
    "c": 0.0736,
    "h": 82.6
  },
  "luminance": 0.07953
}

Semantic roles & 50–950 ramp

primary

#644C1A

secondary

#405D9A

accent

#78E246

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644C1A

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

Preview Lab → · Contrast checker → · Palette generator →