#643B22#643B22

#643B22 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.6% C 0.069 H 51.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#643B22
RGB	rgb(100, 59, 34)
HSL	hsl(23, 49%, 26%)
HSV	hsv(23, 66%, 39%)
CMYK	cmyk(0%, 41%, 66%, 60.8%)
CIE-LAB	lab(29.29, 15.43, 22.91)
CIE-LCH	lch(29.29, 27.62, 56.04°)
OKLab	oklab(39.62% 0.0436 0.0538)
OKLCH	oklch(39.62% 0.069 51)
XYZ	xyz(7.1087, 5.9534, 2.2878)
Luminance	0.0595 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B22 #224B64

analogous

#64222A #643B22 #645C22

triadic

#643B22 #22643B #3B2264

tetradic

#643B22 #2A6422 #224B64 #5C2264

square

#643B22 #2A6422 #224B64 #5C2264

split-complementary

#643B22 #22645C #222A64

monochromatic

#170D08 #362012 #643B22 #925632 #BF7142

Accessibility & contrast

On white

9.59

#643B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#643B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B22

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B22	#FFFFFF	#000000	##FFFFFF
##643B22	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474020

Deuteranopia (green-blind)

#504922

Tritanopia (blue-blind)

#6D3335

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643b22;
/* rgb */ color: rgb(100, 59, 34);
/* oklch */ color: oklch(39.6% 0.069 51.0);

Tailwind

colors: {
  custom: {
    50: '#93715e',
    500: '#643b22',
    950: '#000000',
  },
}

SCSS

$custom: #643b22;
$custom-light: #93715e;
$custom-dark: #000000;

JSON

{
  "hex": "#643b22",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 22.727,
    "s": 49.254,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39621,
    "c": 0.06922,
    "h": 51
  },
  "luminance": 0.05953
}

Semantic roles & 50–950 ramp

primary

#643B22

secondary

#4A7A98

accent

#A5D94F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #643B22

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

Preview Lab → · Contrast checker → · Palette generator →