#643817#643817

#643817 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.9% C 0.078 H 54.7°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#643817
RGB	rgb(100, 56, 23)
HSL	hsl(26, 63%, 24%)
HSV	hsv(26, 77%, 39%)
CMYK	cmyk(0%, 44%, 77%, 60.8%)
CIE-LAB	lab(28.38, 16.52, 28.24)
CIE-LCH	lch(28.38, 32.72, 59.66°)
OKLab	oklab(38.87% 0.0449 0.0633)
OKLCH	oklch(38.87% 0.078 54.7)
XYZ	xyz(6.8249, 5.6003, 1.5320)
Luminance	0.0560 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643817 #174364

analogous

#64171D #643817 #645F17

triadic

#643817 #176438 #381764

tetradic

#643817 #1D6417 #174364 #5F1764

square

#643817 #1D6417 #174364 #5F1764

split-complementary

#643817 #17645F #171D64

monochromatic

#190E06 #321C0C #643817 #965422 #C8702E

Accessibility & contrast

On white

9.91

#643817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#643817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643817

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643817	#FFFFFF	#000000	##FFFFFF
##643817	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D13

Deuteranopia (green-blind)

#4F4717

Tritanopia (blue-blind)

#6E2F31

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643817;
/* rgb */ color: rgb(100, 56, 23);
/* oklch */ color: oklch(38.9% 0.078 54.7);

Tailwind

colors: {
  custom: {
    50: '#946f56',
    500: '#643817',
    950: '#000000',
  },
}

SCSS

$custom: #643817;
$custom-light: #946f56;
$custom-dark: #000000;

JSON

{
  "hex": "#643817",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 23
  },
  "hsl": {
    "h": 25.714,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.38872,
    "c": 0.07764,
    "h": 54.7
  },
  "luminance": 0.056
}

Semantic roles & 50–950 ramp

primary

#643817

secondary

#3C729A

accent

#A0E642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643817

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

Preview Lab → · Contrast checker → · Palette generator →