#643D1E#643D1E

#643D1E is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.071 H 57.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#643D1E
RGB	rgb(100, 61, 30)
HSL	hsl(27, 54%, 25%)
HSV	hsv(27, 70%, 39%)
CMYK	cmyk(0%, 39%, 70%, 60.8%)
CIE-LAB	lab(29.77, 13.89, 25.82)
CIE-LCH	lch(29.77, 29.32, 61.72°)
OKLab	oklab(39.97% 0.0382 0.0595)
OKLCH	oklch(39.97% 0.071 57.3)
XYZ	xyz(7.1591, 6.1412, 2.0364)
Luminance	0.0614 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D1E #1E4564

analogous

#641E22 #643D1E #64601E

triadic

#643D1E #1E643D #3D1E64

tetradic

#643D1E #22641E #1E4564 #601E64

square

#643D1E #22641E #1E4564 #601E64

split-complementary

#643D1E #1E6460 #1E2264

monochromatic

#180E07 #352010 #643D1E #935A2C #C2763A

Accessibility & contrast

On white

9.42

#643D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D1E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D1E	#FFFFFF	#000000	##FFFFFF
##643D1E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49411B

Deuteranopia (green-blind)

#524A1E

Tritanopia (blue-blind)

#6D3536

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d1e;
/* rgb */ color: rgb(100, 61, 30);
/* oklch */ color: oklch(40.0% 0.071 57.3);

Tailwind

colors: {
  custom: {
    50: '#94725b',
    500: '#643d1e',
    950: '#000000',
  },
}

SCSS

$custom: #643d1e;
$custom-light: #94725b;
$custom-dark: #000000;

JSON

{
  "hex": "#643d1e",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 30
  },
  "hsl": {
    "h": 26.571,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39968,
    "c": 0.07075,
    "h": 57.3
  },
  "luminance": 0.06141
}

Semantic roles & 50–950 ramp

primary

#643D1E

secondary

#457499

accent

#9CDD4B

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #643D1E

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

Preview Lab → · Contrast checker → · Palette generator →