#643C17#643C17

#643C17 is a dark, moderate orange. Relative luminance 0.060; OKLCH L 39.7% C 0.076 H 60.2°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#643C17
RGB	rgb(100, 60, 23)
HSL	hsl(29, 63%, 24%)
HSV	hsv(29, 77%, 39%)
CMYK	cmyk(0%, 40%, 77%, 60.8%)
CIE-LAB	lab(29.42, 14.07, 29.33)
CIE-LCH	lch(29.42, 32.53, 64.38°)
OKLab	oklab(39.68% 0.0376 0.0657)
OKLCH	oklch(39.68% 0.076 60.2)
XYZ	xyz(7.0266, 6.0036, 1.5992)
Luminance	0.0600 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C17 #173F64

analogous

#641719 #643C17 #646317

triadic

#643C17 #17643C #3C1764

tetradic

#643C17 #196417 #173F64 #631764

square

#643C17 #196417 #173F64 #631764

split-complementary

#643C17 #176463 #171964

monochromatic

#190F06 #321E0C #643C17 #965A22 #C8782E

Accessibility & contrast

On white

9.54

#643C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#643C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C17

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C17	#FFFFFF	#000000	##FFFFFF
##643C17	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484013

Deuteranopia (green-blind)

#524917

Tritanopia (blue-blind)

#6E3334

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643c17;
/* rgb */ color: rgb(100, 60, 23);
/* oklch */ color: oklch(39.7% 0.076 60.2);

Tailwind

colors: {
  custom: {
    50: '#947256',
    500: '#643c17',
    950: '#000000',
  },
}

SCSS

$custom: #643c17;
$custom-light: #947256;
$custom-dark: #000000;

JSON

{
  "hex": "#643c17",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 23
  },
  "hsl": {
    "h": 28.831,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39676,
    "c": 0.07566,
    "h": 60.2
  },
  "luminance": 0.06003
}

Semantic roles & 50–950 ramp

primary

#643C17

secondary

#3C6D9A

accent

#97E642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643C17

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

Preview Lab → · Contrast checker → · Palette generator →