#643E10#643E10

#643E10 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.0% C 0.079 H 66.3°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#643E10
RGB	rgb(100, 62, 16)
HSL	hsl(33, 72%, 23%)
HSV	hsv(33, 84%, 39%)
CMYK	cmyk(0%, 38%, 84%, 60.8%)
CIE-LAB	lab(29.89, 12.49, 33.26)
CIE-LCH	lch(29.89, 35.53, 69.43°)
OKLab	oklab(40.02% 0.0318 0.0723)
OKLCH	oklch(40.02% 0.079 66.3)
XYZ	xyz(7.0723, 6.1927, 1.3130)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E10 #103664

analogous

#641410 #643E10 #606410

triadic

#643E10 #10643E #3E1064

tetradic

#643E10 #106414 #103664 #641060

square

#643E10 #106414 #103664 #641060

split-complementary

#643E10 #106064 #141064

monochromatic

#1A1004 #2F1D08 #643E10 #995F18 #CE7F21

Accessibility & contrast

On white

9.38

#643E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E10

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E10	#FFFFFF	#000000	##FFFFFF
##643E10	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4109

Deuteranopia (green-blind)

#534A11

Tritanopia (blue-blind)

#6E3535

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643e10;
/* rgb */ color: rgb(100, 62, 16);
/* oklch */ color: oklch(40.0% 0.079 66.3);

Tailwind

colors: {
  custom: {
    50: '#957352',
    500: '#643e10',
    950: '#000000',
  },
}

SCSS

$custom: #643e10;
$custom-light: #957352;
$custom-dark: #000000;

JSON

{
  "hex": "#643e10",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 16
  },
  "hsl": {
    "h": 32.857,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.40022,
    "c": 0.07899,
    "h": 66.3
  },
  "luminance": 0.06192
}

Semantic roles & 50–950 ramp

primary

#643E10

secondary

#33639D

accent

#8BEF39

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #643E10

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

Preview Lab → · Contrast checker → · Palette generator →