#643C2A#643C2A

#643C2A is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.064 H 44.7°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#643C2A
RGB	rgb(100, 60, 42)
HSL	hsl(19, 41%, 28%)
HSV	hsv(19, 58%, 39%)
CMYK	cmyk(0%, 40%, 58%, 60.8%)
CIE-LAB	lab(29.69, 15.52, 18.46)
CIE-LCH	lch(29.69, 24.12, 49.95°)
OKLab	oklab(39.97% 0.0452 0.0447)
OKLCH	oklch(39.97% 0.064 44.7)
XYZ	xyz(7.2898, 6.1089, 2.9852)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C2A #2A5264

analogous

#642A35 #643C2A #64592A

triadic

#643C2A #2A643C #3C2A64

tetradic

#643C2A #35642A #2A5264 #592A64

square

#643C2A #35642A #2A5264 #592A64

split-complementary

#643C2A #2A6459 #2A3564

monochromatic

#160D09 #392218 #643C2A #8F563C #B67152

Accessibility & contrast

On white

9.45

#643C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C2A

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C2A	#FFFFFF	#000000	##FFFFFF
##643C2A	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474128

Deuteranopia (green-blind)

#50492A

Tritanopia (blue-blind)

#6D3538

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c2a;
/* rgb */ color: rgb(100, 60, 42);
/* oklch */ color: oklch(40.0% 0.064 44.7);

Tailwind

colors: {
  custom: {
    50: '#937263',
    500: '#643c2a',
    950: '#000000',
  },
}

SCSS

$custom: #643c2a;
$custom-light: #937263;
$custom-dark: #000000;

JSON

{
  "hex": "#643c2a",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 18.621,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.39965,
    "c": 0.06354,
    "h": 44.7
  },
  "luminance": 0.06108
}

Semantic roles & 50–950 ramp

primary

#643C2A

secondary

#538296

accent

#ABD157

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643C2A

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

Preview Lab → · Contrast checker → · Palette generator →