#643E2A#643E2A

#643E2A is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.062 H 48.2°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#643E2A
RGB	rgb(100, 62, 42)
HSL	hsl(21, 41%, 28%)
HSV	hsv(21, 58%, 39%)
CMYK	cmyk(0%, 38%, 58%, 60.8%)
CIE-LAB	lab(30.21, 14.28, 19.13)
CIE-LCH	lch(30.21, 23.87, 53.26°)
OKLab	oklab(40.37% 0.0414 0.0462)
OKLCH	oklch(40.37% 0.062 48.2)
XYZ	xyz(7.3965, 6.3224, 3.0208)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E2A #2A5064

analogous

#642A33 #643E2A #645B2A

triadic

#643E2A #2A643E #3E2A64

tetradic

#643E2A #33642A #2A5064 #5B2A64

square

#643E2A #33642A #2A5064 #5B2A64

split-complementary

#643E2A #2A645B #2A3364

monochromatic

#160D09 #392318 #643E2A #8F593C #B67552

Accessibility & contrast

On white

9.27

#643E2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643E2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E2A

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E2A	#FFFFFF	#000000	##FFFFFF
##643E2A	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484228

Deuteranopia (green-blind)

#514A2A

Tritanopia (blue-blind)

#6D3739

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e2a;
/* rgb */ color: rgb(100, 62, 42);
/* oklch */ color: oklch(40.4% 0.062 48.2);

Tailwind

colors: {
  custom: {
    50: '#937364',
    500: '#643e2a',
    950: '#000000',
  },
}

SCSS

$custom: #643e2a;
$custom-light: #937364;
$custom-dark: #000000;

JSON

{
  "hex": "#643e2a",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 20.69,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.40371,
    "c": 0.06206,
    "h": 48.2
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#643E2A

secondary

#537F96

accent

#A7D157

background

#F9F7F5

surface

#F2EDEA

border

#CCC8C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643E2A

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

Preview Lab → · Contrast checker → · Palette generator →