#643517#643517

#643517 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.080 H 50.7°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#643517
RGB	rgb(100, 53, 23)
HSL	hsl(23, 63%, 24%)
HSV	hsv(23, 77%, 39%)
CMYK	cmyk(0%, 47%, 77%, 60.8%)
CIE-LAB	lab(27.62, 18.35, 27.43)
CIE-LCH	lch(27.62, 33.00, 56.21°)
OKLab	oklab(38.29% 0.0504 0.0616)
OKLCH	oklch(38.29% 0.08 50.7)
XYZ	xyz(6.6839, 5.3181, 1.4850)
Luminance	0.0532 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643517 #174664

analogous

#64171F #643517 #645C17

triadic

#643517 #176435 #351764

tetradic

#643517 #1F6417 #174664 #5C1764

square

#643517 #1F6417 #174664 #5C1764

split-complementary

#643517 #17645C #171F64

monochromatic

#190D06 #321B0C #643517 #964F22 #C86A2E

Accessibility & contrast

On white

10.18

#643517 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643517 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643517

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643517	#FFFFFF	#000000	##FFFFFF
##643517	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B14

Deuteranopia (green-blind)

#4E4517

Tritanopia (blue-blind)

#6E2B2E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643517;
/* rgb */ color: rgb(100, 53, 23);
/* oklch */ color: oklch(38.3% 0.080 50.7);

Tailwind

colors: {
  custom: {
    50: '#956d55',
    500: '#643517',
    950: '#000000',
  },
}

SCSS

$custom: #643517;
$custom-light: #956d55;
$custom-dark: #000000;

JSON

{
  "hex": "#643517",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 23
  },
  "hsl": {
    "h": 23.377,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.38288,
    "c": 0.07959,
    "h": 50.7
  },
  "luminance": 0.05317
}

Semantic roles & 50–950 ramp

primary

#643517

secondary

#3C769A

accent

#A6E642

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643517

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

Preview Lab → · Contrast checker → · Palette generator →