#643C11#643C11

#643C11 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.6% C 0.079 H 63.2°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#643C11
RGB	rgb(100, 60, 17)
HSL	hsl(31, 71%, 23%)
HSV	hsv(31, 83%, 39%)
CMYK	cmyk(0%, 40%, 83%, 60.8%)
CIE-LAB	lab(29.37, 13.76, 32.30)
CIE-LCH	lch(29.37, 35.11, 66.92°)
OKLab	oklab(39.62% 0.0357 0.0705)
OKLCH	oklch(39.62% 0.079 63.2)
XYZ	xyz(6.9731, 5.9822, 1.3177)
Luminance	0.0598 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C11 #113964

analogous

#641211 #643C11 #626411

triadic

#643C11 #11643C #3C1164

tetradic

#643C11 #116412 #113964 #641162

square

#643C11 #116412 #113964 #641162

split-complementary

#643C11 #116264 #121164

monochromatic

#1A1004 #301D08 #643C11 #985B1A #CD7B23

Accessibility & contrast

On white

9.56

#643C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#643C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C11

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C11	#FFFFFF	#000000	##FFFFFF
##643C11	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49400B

Deuteranopia (green-blind)

#524912

Tritanopia (blue-blind)

#6E3333

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643c11;
/* rgb */ color: rgb(100, 60, 17);
/* oklch */ color: oklch(39.6% 0.079 63.2);

Tailwind

colors: {
  custom: {
    50: '#957152',
    500: '#643c11',
    950: '#000000',
  },
}

SCSS

$custom: #643c11;
$custom-light: #957152;
$custom-dark: #000000;

JSON

{
  "hex": "#643c11",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 17
  },
  "hsl": {
    "h": 31.084,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39617,
    "c": 0.07905,
    "h": 63.2
  },
  "luminance": 0.05982
}

Semantic roles & 50–950 ramp

primary

#643C11

secondary

#35679C

accent

#91EE3A

background

#F9F6F4

surface

#F2ECE7

border

#CCC7C3

text

#0E0702

muted

#7E7A78

Preview Lab

Preview with #643C11

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

Preview Lab → · Contrast checker → · Palette generator →