#643D1A#643D1A

#643D1A is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.073 H 60.0°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#643D1A
RGB	rgb(100, 61, 26)
HSL	hsl(28, 59%, 25%)
HSV	hsv(28, 74%, 39%)
CMYK	cmyk(0%, 39%, 74%, 60.8%)
CIE-LAB	lab(29.72, 13.63, 28.03)
CIE-LCH	lch(29.72, 31.16, 64.07°)
OKLab	oklab(39.92% 0.0368 0.0635)
OKLCH	oklch(39.92% 0.073 60)
XYZ	xyz(7.1113, 6.1221, 1.7842)
Luminance	0.0612 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D1A #1A4164

analogous

#641A1C #643D1A #64621A

triadic

#643D1A #1A643D #3D1A64

tetradic

#643D1A #1C641A #1A4164 #621A64

square

#643D1A #1C641A #1A4164 #621A64

split-complementary

#643D1A #1A6462 #1A1C64

monochromatic

#180F06 #331F0D #643D1A #955B27 #C57833

Accessibility & contrast

On white

9.44

#643D1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D1A

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D1A	#FFFFFF	#000000	##FFFFFF
##643D1A	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494116

Deuteranopia (green-blind)

#524A1A

Tritanopia (blue-blind)

#6E3535

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d1a;
/* rgb */ color: rgb(100, 61, 26);
/* oklch */ color: oklch(39.9% 0.073 60.0);

Tailwind

colors: {
  custom: {
    50: '#947258',
    500: '#643d1a',
    950: '#000000',
  },
}

SCSS

$custom: #643d1a;
$custom-light: #947258;
$custom-dark: #000000;

JSON

{
  "hex": "#643d1a",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 26
  },
  "hsl": {
    "h": 28.378,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.39916,
    "c": 0.07339,
    "h": 60
  },
  "luminance": 0.06121
}

Semantic roles & 50–950 ramp

primary

#643D1A

secondary

#406F9A

accent

#98E246

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D1A

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

Preview Lab → · Contrast checker → · Palette generator →