#643C20#643C20

#643C20 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.8% C 0.070 H 54.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#643C20
RGB	rgb(100, 60, 32)
HSL	hsl(25, 52%, 26%)
HSV	hsv(25, 68%, 39%)
CMYK	cmyk(0%, 40%, 68%, 60.8%)
CIE-LAB	lab(29.53, 14.66, 24.38)
CIE-LCH	lch(29.53, 28.44, 58.98°)
OKLab	oklab(39.79% 0.0409 0.0567)
OKLCH	oklch(39.79% 0.07 54.2)
XYZ	xyz(7.1326, 6.0460, 2.1576)
Luminance	0.0604 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C20 #204864

analogous

#642026 #643C20 #645E20

triadic

#643C20 #20643C #3C2064

tetradic

#643C20 #266420 #204864 #5E2064

square

#643C20 #266420 #204864 #5E2064

split-complementary

#643C20 #20645E #202664

monochromatic

#170E07 #362011 #643C20 #92582F #C1743E

Accessibility & contrast

On white

9.51

#643C20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#643C20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C20

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C20	#FFFFFF	#000000	##FFFFFF
##643C20	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401D

Deuteranopia (green-blind)

#514920

Tritanopia (blue-blind)

#6D3435

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c20;
/* rgb */ color: rgb(100, 60, 32);
/* oklch */ color: oklch(39.8% 0.070 54.2);

Tailwind

colors: {
  custom: {
    50: '#94725c',
    500: '#643c20',
    950: '#000000',
  },
}

SCSS

$custom: #643c20;
$custom-light: #94725c;
$custom-dark: #000000;

JSON

{
  "hex": "#643c20",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 24.706,
    "s": 51.515,
    "l": 25.882
  },
  "oklch": {
    "l": 0.39793,
    "c": 0.06992,
    "h": 54.2
  },
  "luminance": 0.06045
}

Semantic roles & 50–950 ramp

primary

#643C20

secondary

#487798

accent

#A0DB4D

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #643C20

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

Preview Lab → · Contrast checker → · Palette generator →