#643E17#643E17

#643E17 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.075 H 63.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#643E17
RGB	rgb(100, 62, 23)
HSL	hsl(30, 63%, 24%)
HSV	hsv(30, 77%, 39%)
CMYK	cmyk(0%, 38%, 77%, 60.8%)
CIE-LAB	lab(29.95, 12.83, 29.89)
CIE-LCH	lch(29.95, 32.53, 66.77°)
OKLab	oklab(40.09% 0.0339 0.0669)
OKLCH	oklch(40.09% 0.075 63.1)
XYZ	xyz(7.1334, 6.2171, 1.6348)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E17 #173D64

analogous

#641817 #643E17 #646417

triadic

#643E17 #17643E #3E1764

tetradic

#643E17 #176418 #173D64 #641764

square

#643E17 #176418 #173D64 #641764

split-complementary

#643E17 #176464 #181764

monochromatic

#190F06 #321F0C #643E17 #965D22 #C87C2E

Accessibility & contrast

On white

9.36

#643E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E17

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E17	#FFFFFF	#000000	##FFFFFF
##643E17	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4112

Deuteranopia (green-blind)

#534A18

Tritanopia (blue-blind)

#6E3536

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e17;
/* rgb */ color: rgb(100, 62, 23);
/* oklch */ color: oklch(40.1% 0.075 63.1);

Tailwind

colors: {
  custom: {
    50: '#947356',
    500: '#643e17',
    950: '#000000',
  },
}

SCSS

$custom: #643e17;
$custom-light: #947356;
$custom-dark: #000000;

JSON

{
  "hex": "#643e17",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 23
  },
  "hsl": {
    "h": 30.39,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.40088,
    "c": 0.07496,
    "h": 63.1
  },
  "luminance": 0.06216
}

Semantic roles & 50–950 ramp

primary

#643E17

secondary

#3C6B9A

accent

#93E642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #643E17

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

Preview Lab → · Contrast checker → · Palette generator →