#643C10#643C10

#643C10 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.6% C 0.080 H 63.6°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#643C10
RGB	rgb(100, 60, 16)
HSL	hsl(31, 72%, 23%)
HSV	hsv(31, 84%, 39%)
CMYK	cmyk(0%, 40%, 84%, 60.8%)
CIE-LAB	lab(29.36, 13.72, 32.76)
CIE-LCH	lch(29.36, 35.52, 67.27°)
OKLab	oklab(39.61% 0.0354 0.0712)
OKLCH	oklch(39.61% 0.08 63.6)
XYZ	xyz(6.9655, 5.9792, 1.2774)
Luminance	0.0598 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C10 #103864

analogous

#641210 #643C10 #626410

triadic

#643C10 #10643C #3C1064

tetradic

#643C10 #106412 #103864 #641062

square

#643C10 #106412 #103864 #641062

split-complementary

#643C10 #106264 #121064

monochromatic

#1A1004 #2F1C08 #643C10 #995C18 #CE7B21

Accessibility & contrast

On white

9.56

#643C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#643C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C10

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C10	#FFFFFF	#000000	##FFFFFF
##643C10	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494009

Deuteranopia (green-blind)

#524911

Tritanopia (blue-blind)

#6E3333

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643c10;
/* rgb */ color: rgb(100, 60, 16);
/* oklch */ color: oklch(39.6% 0.080 63.6);

Tailwind

colors: {
  custom: {
    50: '#957152',
    500: '#643c10',
    950: '#000000',
  },
}

SCSS

$custom: #643c10;
$custom-light: #957152;
$custom-dark: #000000;

JSON

{
  "hex": "#643c10",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 16
  },
  "hsl": {
    "h": 31.429,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.39608,
    "c": 0.07956,
    "h": 63.6
  },
  "luminance": 0.05978
}

Semantic roles & 50–950 ramp

primary

#643C10

secondary

#33659D

accent

#90EF39

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643C10

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

Preview Lab → · Contrast checker → · Palette generator →