#643C2D#643C2D

#643C2D is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.062 H 41.2°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#643C2D
RGB	rgb(100, 60, 45)
HSL	hsl(16, 38%, 28%)
HSV	hsv(16, 55%, 39%)
CMYK	cmyk(0%, 40%, 55%, 60.8%)
CIE-LAB	lab(29.74, 15.82, 16.64)
CIE-LCH	lch(29.74, 22.96, 46.46°)
OKLab	oklab(40.03% 0.0465 0.0408)
OKLCH	oklch(40.03% 0.062 41.2)
XYZ	xyz(7.3455, 6.1312, 3.2787)
Luminance	0.0613 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C2D #2D5564

analogous

#642D39 #643C2D #64572D

triadic

#643C2D #2D643C #3C2D64

tetradic

#643C2D #39642D #2D5564 #572D64

square

#643C2D #39642D #2D5564 #572D64

split-complementary

#643C2D #2D6457 #2D3964

monochromatic

#150D09 #3A231A #643C2D #8E5540 #B47158

Accessibility & contrast

On white

9.43

#643C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C2D

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C2D	#FFFFFF	#000000	##FFFFFF
##643C2D	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46412C

Deuteranopia (green-blind)

#50492D

Tritanopia (blue-blind)

#6D3538

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c2d;
/* rgb */ color: rgb(100, 60, 45);
/* oklch */ color: oklch(40.0% 0.062 41.2);

Tailwind

colors: {
  custom: {
    50: '#937266',
    500: '#643c2d',
    950: '#000000',
  },
}

SCSS

$custom: #643c2d;
$custom-light: #937266;
$custom-dark: #000000;

JSON

{
  "hex": "#643c2d",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 45
  },
  "hsl": {
    "h": 16.364,
    "s": 37.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40026,
    "c": 0.06183,
    "h": 41.2
  },
  "luminance": 0.06131
}

Semantic roles & 50–950 ramp

primary

#643C2D

secondary

#578596

accent

#AECE5A

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0805

muted

#7E7B7A

Preview Lab

Preview with #643C2D

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

Preview Lab → · Contrast checker → · Palette generator →