#643D17#643D17

#643D17 is a dark, moderate orange. Relative luminance 0.061; OKLCH L 39.9% C 0.075 H 61.7°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#643D17
RGB	rgb(100, 61, 23)
HSL	hsl(30, 63%, 24%)
HSV	hsv(30, 77%, 39%)
CMYK	cmyk(0%, 39%, 77%, 60.8%)
CIE-LAB	lab(29.69, 13.45, 29.61)
CIE-LCH	lch(29.69, 32.52, 65.58°)
OKLab	oklab(39.88% 0.0357 0.0663)
OKLCH	oklch(39.88% 0.075 61.7)
XYZ	xyz(7.0795, 6.1094, 1.6168)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643D17 #173E64

analogous

#641718 #643D17 #646417

triadic

#643D17 #17643D #3D1764

tetradic

#643D17 #186417 #173E64 #641764

square

#643D17 #186417 #173E64 #641764

split-complementary

#643D17 #176464 #171864

monochromatic

#190F06 #321F0C #643D17 #965B22 #C87A2E

Accessibility & contrast

On white

9.45

#643D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#643D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D17

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643D17	#FFFFFF	#000000	##FFFFFF
##643D17	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494112

Deuteranopia (green-blind)

#524917

Tritanopia (blue-blind)

#6E3435

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643d17;
/* rgb */ color: rgb(100, 61, 23);
/* oklch */ color: oklch(39.9% 0.075 61.7);

Tailwind

colors: {
  custom: {
    50: '#947256',
    500: '#643d17',
    950: '#000000',
  },
}

SCSS

$custom: #643d17;
$custom-light: #947256;
$custom-dark: #000000;

JSON

{
  "hex": "#643d17",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 23
  },
  "hsl": {
    "h": 29.61,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39881,
    "c": 0.07529,
    "h": 61.7
  },
  "luminance": 0.06109
}

Semantic roles & 50–950 ramp

primary

#643D17

secondary

#3C6C9A

accent

#95E642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643D17

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

Preview Lab → · Contrast checker → · Palette generator →