#643617#643617

#643617 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.5% C 0.079 H 52.0°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#643617
RGB	rgb(100, 54, 23)
HSL	hsl(24, 63%, 24%)
HSV	hsv(24, 77%, 39%)
CMYK	cmyk(0%, 46%, 77%, 60.8%)
CIE-LAB	lab(27.87, 17.74, 27.70)
CIE-LCH	lch(27.87, 32.89, 57.35°)
OKLab	oklab(38.48% 0.0486 0.0622)
OKLCH	oklch(38.48% 0.079 52)
XYZ	xyz(6.7299, 5.4103, 1.5003)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643617 #174564

analogous

#64171F #643617 #645D17

triadic

#643617 #176436 #361764

tetradic

#643617 #1F6417 #174564 #5D1764

square

#643617 #1F6417 #174564 #5D1764

split-complementary

#643617 #17645D #171F64

monochromatic

#190D06 #321B0C #643617 #965122 #C86C2E

Accessibility & contrast

On white

10.09

#643617 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#643617 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643617

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643617	#FFFFFF	#000000	##FFFFFF
##643617	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B13

Deuteranopia (green-blind)

#4E4617

Tritanopia (blue-blind)

#6E2C2F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643617;
/* rgb */ color: rgb(100, 54, 23);
/* oklch */ color: oklch(38.5% 0.079 52.0);

Tailwind

colors: {
  custom: {
    50: '#956d56',
    500: '#643617',
    950: '#000000',
  },
}

SCSS

$custom: #643617;
$custom-light: #956d56;
$custom-dark: #000000;

JSON

{
  "hex": "#643617",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 23
  },
  "hsl": {
    "h": 24.156,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.38481,
    "c": 0.0789,
    "h": 52
  },
  "luminance": 0.0541
}

Semantic roles & 50–950 ramp

primary

#643617

secondary

#3C759A

accent

#A4E642

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643617

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

Preview Lab → · Contrast checker → · Palette generator →