#643A1E#643A1E

#643A1E is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.4% C 0.072 H 52.7°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#643A1E
RGB	rgb(100, 58, 30)
HSL	hsl(24, 54%, 25%)
HSV	hsv(24, 70%, 39%)
CMYK	cmyk(0%, 42%, 70%, 60.8%)
CIE-LAB	lab(28.98, 15.74, 24.92)
CIE-LCH	lch(28.98, 29.47, 57.72°)
OKLab	oklab(39.36% 0.0438 0.0576)
OKLCH	oklch(39.36% 0.072 52.7)
XYZ	xyz(7.0035, 5.8299, 1.9845)
Luminance	0.0583 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A1E #1E4864

analogous

#641E25 #643A1E #645D1E

triadic

#643A1E #1E643A #3A1E64

tetradic

#643A1E #25641E #1E4864 #5D1E64

square

#643A1E #25641E #1E4864 #5D1E64

split-complementary

#643A1E #1E645D #1E2564

monochromatic

#180E07 #351F10 #643A1E #93552C #C2713A

Accessibility & contrast

On white

9.70

#643A1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643A1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A1E

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A1E	#FFFFFF	#000000	##FFFFFF
##643A1E	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1B

Deuteranopia (green-blind)

#50481E

Tritanopia (blue-blind)

#6E3234

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a1e;
/* rgb */ color: rgb(100, 58, 30);
/* oklch */ color: oklch(39.4% 0.072 52.7);

Tailwind

colors: {
  custom: {
    50: '#94705b',
    500: '#643a1e',
    950: '#000000',
  },
}

SCSS

$custom: #643a1e;
$custom-light: #94705b;
$custom-dark: #000000;

JSON

{
  "hex": "#643a1e",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 30
  },
  "hsl": {
    "h": 24,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3936,
    "c": 0.07235,
    "h": 52.7
  },
  "luminance": 0.05829
}

Semantic roles & 50–950 ramp

primary

#643A1E

secondary

#457799

accent

#A3DD4B

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643A1E

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

Preview Lab → · Contrast checker → · Palette generator →