#643318#643318

#643318 is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.9% C 0.081 H 47.6°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#643318
RGB	rgb(100, 51, 24)
HSL	hsl(21, 61%, 24%)
HSV	hsv(21, 76%, 39%)
CMYK	cmyk(0%, 49%, 76%, 60.8%)
CIE-LAB	lab(27.14, 19.61, 26.34)
CIE-LCH	lch(27.14, 32.84, 53.33°)
OKLab	oklab(37.92% 0.0544 0.0595)
OKLCH	oklch(37.92% 0.081 47.6)
XYZ	xyz(6.6048, 5.1437, 1.5090)
Luminance	0.0514 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643318 #184964

analogous

#641823 #643318 #645918

triadic

#643318 #186433 #331864

tetradic

#643318 #236418 #184964 #591864

square

#643318 #236418 #184964 #591864

split-complementary

#643318 #186459 #182364

monochromatic

#190D06 #331A0C #643318 #954C24 #C76530

Accessibility & contrast

On white

10.35

#643318 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#643318 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643318

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643318	#FFFFFF	#000000	##FFFFFF
##643318	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413915

Deuteranopia (green-blind)

#4C4417

Tritanopia (blue-blind)

#6E292D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643318;
/* rgb */ color: rgb(100, 51, 24);
/* oklch */ color: oklch(37.9% 0.081 47.6);

Tailwind

colors: {
  custom: {
    50: '#956b56',
    500: '#643318',
    950: '#000000',
  },
}

SCSS

$custom: #643318;
$custom-light: #956b56;
$custom-dark: #000000;

JSON

{
  "hex": "#643318",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 24
  },
  "hsl": {
    "h": 21.316,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37922,
    "c": 0.08061,
    "h": 47.6
  },
  "luminance": 0.05143
}

Semantic roles & 50–950 ramp

primary

#643318

secondary

#3E799A

accent

#ABE443

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0603

muted

#7E7A78

Preview Lab

Preview with #643318

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

Preview Lab → · Contrast checker → · Palette generator →