#643418#643418

#643418 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 38.1% C 0.080 H 48.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#643418
RGB	rgb(100, 52, 24)
HSL	hsl(22, 61%, 24%)
HSV	hsv(22, 76%, 39%)
CMYK	cmyk(0%, 48%, 76%, 60.8%)
CIE-LAB	lab(27.39, 19.01, 26.61)
CIE-LCH	lch(27.39, 32.70, 54.45°)
OKLab	oklab(38.11% 0.0526 0.0601)
OKLCH	oklch(38.11% 0.08 48.8)
XYZ	xyz(6.6490, 5.2320, 1.5237)
Luminance	0.0523 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643418 #184864

analogous

#641822 #643418 #645A18

triadic

#643418 #186434 #341864

tetradic

#643418 #226418 #184864 #5A1864

square

#643418 #226418 #184864 #5A1864

split-complementary

#643418 #18645A #182264

monochromatic

#190D06 #331A0C #643418 #954E24 #C76730

Accessibility & contrast

On white

10.26

#643418 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#643418 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643418

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643418	#FFFFFF	#000000	##FFFFFF
##643418	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A15

Deuteranopia (green-blind)

#4D4517

Tritanopia (blue-blind)

#6E2A2E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643418;
/* rgb */ color: rgb(100, 52, 24);
/* oklch */ color: oklch(38.1% 0.080 48.8);

Tailwind

colors: {
  custom: {
    50: '#956c56',
    500: '#643418',
    950: '#000000',
  },
}

SCSS

$custom: #643418;
$custom-light: #956c56;
$custom-dark: #000000;

JSON

{
  "hex": "#643418",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 24
  },
  "hsl": {
    "h": 22.105,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.3811,
    "c": 0.07982,
    "h": 48.8
  },
  "luminance": 0.05231
}

Semantic roles & 50–950 ramp

primary

#643418

secondary

#3E789A

accent

#A9E443

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643418

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

Preview Lab → · Contrast checker → · Palette generator →