#643A16#643A16

#643A16 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.3% C 0.077 H 58.0°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#643A16
RGB	rgb(100, 58, 22)
HSL	hsl(28, 64%, 24%)
HSV	hsv(28, 78%, 39%)
CMYK	cmyk(0%, 42%, 78%, 60.8%)
CIE-LAB	lab(28.89, 15.24, 29.31)
CIE-LCH	lch(28.89, 33.03, 62.52°)
OKLab	oklab(39.26% 0.0409 0.0654)
OKLCH	oklch(39.26% 0.077 58)
XYZ	xyz(6.9140, 5.7941, 1.5132)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A16 #164064

analogous

#641619 #643A16 #646116

triadic

#643A16 #16643A #3A1664

tetradic

#643A16 #196416 #164064 #611664

square

#643A16 #196416 #164064 #611664

split-complementary

#643A16 #166461 #161964

monochromatic

#190F06 #321D0B #643A16 #965721 #C8742C

Accessibility & contrast

On white

9.73

#643A16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A16

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A16	#FFFFFF	#000000	##FFFFFF
##643A16	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E12

Deuteranopia (green-blind)

#514816

Tritanopia (blue-blind)

#6E3132

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a16;
/* rgb */ color: rgb(100, 58, 22);
/* oklch */ color: oklch(39.3% 0.077 58.0);

Tailwind

colors: {
  custom: {
    50: '#947055',
    500: '#643a16',
    950: '#000000',
  },
}

SCSS

$custom: #643a16;
$custom-light: #947055;
$custom-dark: #000000;

JSON

{
  "hex": "#643a16",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 22
  },
  "hsl": {
    "h": 27.692,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.39259,
    "c": 0.07712,
    "h": 58
  },
  "luminance": 0.05793
}

Semantic roles & 50–950 ramp

primary

#643A16

secondary

#3B6F9B

accent

#9AE741

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643A16

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

Preview Lab → · Contrast checker → · Palette generator →