#643F2D#643F2D

#643F2D is a dark, muted orange. Relative luminance 0.065; OKLCH L 40.6% C 0.059 H 46.5°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#643F2D
RGB	rgb(100, 63, 45)
HSL	hsl(20, 38%, 28%)
HSV	hsv(20, 55%, 39%)
CMYK	cmyk(0%, 37%, 55%, 60.8%)
CIE-LAB	lab(30.53, 13.96, 17.66)
CIE-LCH	lch(30.53, 22.52, 51.68°)
OKLab	oklab(40.64% 0.0409 0.0431)
OKLCH	oklch(40.64% 0.059 46.5)
XYZ	xyz(7.5071, 6.4544, 3.3326)
Luminance	0.0645 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F2D #2D5264

analogous

#642D36 #643F2D #645A2D

triadic

#643F2D #2D643F #3F2D64

tetradic

#643F2D #36642D #2D5264 #5A2D64

square

#643F2D #36642D #2D5264 #5A2D64

split-complementary

#643F2D #2D645A #2D3664

monochromatic

#150D09 #3A241A #643F2D #8E5A40 #B47658

Accessibility & contrast

On white

9.17

#643F2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#643F2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F2D

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F2D	#FFFFFF	#000000	##FFFFFF
##643F2D	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49432C

Deuteranopia (green-blind)

#524B2D

Tritanopia (blue-blind)

#6D383A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f2d;
/* rgb */ color: rgb(100, 63, 45);
/* oklch */ color: oklch(40.6% 0.059 46.5);

Tailwind

colors: {
  custom: {
    50: '#927466',
    500: '#643f2d',
    950: '#000000',
  },
}

SCSS

$custom: #643f2d;
$custom-light: #927466;
$custom-dark: #000000;

JSON

{
  "hex": "#643f2d",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 45
  },
  "hsl": {
    "h": 19.636,
    "s": 37.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40635,
    "c": 0.0594,
    "h": 46.5
  },
  "luminance": 0.06454
}

Semantic roles & 50–950 ramp

primary

#643F2D

secondary

#578196

accent

#A8CE5A

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643F2D

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

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