#643518#643518

#643518 is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.079 H 50.1°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#643518
RGB	rgb(100, 53, 24)
HSL	hsl(23, 61%, 24%)
HSV	hsv(23, 76%, 39%)
CMYK	cmyk(0%, 47%, 76%, 60.8%)
CIE-LAB	lab(27.63, 18.41, 26.88)
CIE-LCH	lch(27.63, 32.58, 55.59°)
OKLab	oklab(38.3% 0.0507 0.0607)
OKLCH	oklch(38.3% 0.079 50.1)
XYZ	xyz(6.6941, 5.3222, 1.5387)
Luminance	0.0532 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643518 #184764

analogous

#641821 #643518 #645B18

triadic

#643518 #186435 #351864

tetradic

#643518 #216418 #184764 #5B1864

square

#643518 #216418 #184764 #5B1864

split-complementary

#643518 #18645B #182164

monochromatic

#190D06 #331B0C #643518 #954F24 #C76930

Accessibility & contrast

On white

10.17

#643518 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#643518 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643518

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643518	#FFFFFF	#000000	##FFFFFF
##643518	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423B15

Deuteranopia (green-blind)

#4E4518

Tritanopia (blue-blind)

#6E2B2F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #643518;
/* rgb */ color: rgb(100, 53, 24);
/* oklch */ color: oklch(38.3% 0.079 50.1);

Tailwind

colors: {
  custom: {
    50: '#956d56',
    500: '#643518',
    950: '#000000',
  },
}

SCSS

$custom: #643518;
$custom-light: #956d56;
$custom-dark: #000000;

JSON

{
  "hex": "#643518",
  "rgb": {
    "r": 100,
    "g": 53,
    "b": 24
  },
  "hsl": {
    "h": 22.895,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.383,
    "c": 0.07908,
    "h": 50.1
  },
  "luminance": 0.05321
}

Semantic roles & 50–950 ramp

primary

#643518

secondary

#3E779A

accent

#A7E443

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643518

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

Preview Lab → · Contrast checker → · Palette generator →