#643C2E#643C2E

#643C2E is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.061 H 40.0°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#643C2E
RGB	rgb(100, 60, 46)
HSL	hsl(16, 37%, 29%)
HSV	hsv(16, 54%, 39%)
CMYK	cmyk(0%, 40%, 54%, 60.8%)
CIE-LAB	lab(29.76, 15.92, 16.03)
CIE-LCH	lch(29.76, 22.60, 45.20°)
OKLab	oklab(40.05% 0.047 0.0394)
OKLCH	oklch(40.05% 0.061 40)
XYZ	xyz(7.3650, 6.1389, 3.3813)
Luminance	0.0614 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C2E #2E5664

analogous

#642E3B #643C2E #64572E

triadic

#643C2E #2E643C #3C2E64

tetradic

#643C2E #3B642E #2E5664 #572E64

square

#643C2E #3B642E #2E5664 #572E64

split-complementary

#643C2E #2E6457 #2E3B64

monochromatic

#150D0A #3A231B #643C2E #8E5541 #B3715A

Accessibility & contrast

On white

9.43

#643C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#643C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C2E

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C2E	#FFFFFF	#000000	##FFFFFF
##643C2E	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46412D

Deuteranopia (green-blind)

#50492E

Tritanopia (blue-blind)

#6D3538

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643c2e;
/* rgb */ color: rgb(100, 60, 46);
/* oklch */ color: oklch(40.0% 0.061 40.0);

Tailwind

colors: {
  custom: {
    50: '#937266',
    500: '#643c2e',
    950: '#000000',
  },
}

SCSS

$custom: #643c2e;
$custom-light: #937266;
$custom-dark: #000000;

JSON

{
  "hex": "#643c2e",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 46
  },
  "hsl": {
    "h": 15.556,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.40047,
    "c": 0.0613,
    "h": 40
  },
  "luminance": 0.06138
}

Semantic roles & 50–950 ramp

primary

#643C2E

secondary

#588696

accent

#AFCD5B

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0806

muted

#7E7B7A

Preview Lab

Preview with #643C2E

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

Preview Lab → · Contrast checker → · Palette generator →