#643A17#643A17

#643A17 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.3% C 0.077 H 57.4°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#643A17
RGB	rgb(100, 58, 23)
HSL	hsl(27, 63%, 24%)
HSV	hsv(27, 77%, 39%)
CMYK	cmyk(0%, 42%, 77%, 60.8%)
CIE-LAB	lab(28.90, 15.30, 28.78)
CIE-LCH	lch(28.90, 32.60, 62.01°)
OKLab	oklab(39.27% 0.0412 0.0645)
OKLCH	oklch(39.27% 0.077 57.4)
XYZ	xyz(6.9238, 5.7980, 1.5649)
Luminance	0.0580 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A17 #174164

analogous

#64171A #643A17 #646117

triadic

#643A17 #17643A #3A1764

tetradic

#643A17 #1A6417 #174164 #611764

square

#643A17 #1A6417 #174164 #611764

split-complementary

#643A17 #176461 #171A64

monochromatic

#190E06 #321D0C #643A17 #965722 #C8742E

Accessibility & contrast

On white

9.72

#643A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A17

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A17	#FFFFFF	#000000	##FFFFFF
##643A17	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473E13

Deuteranopia (green-blind)

#514817

Tritanopia (blue-blind)

#6E3132

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643a17;
/* rgb */ color: rgb(100, 58, 23);
/* oklch */ color: oklch(39.3% 0.077 57.4);

Tailwind

colors: {
  custom: {
    50: '#947056',
    500: '#643a17',
    950: '#000000',
  },
}

SCSS

$custom: #643a17;
$custom-light: #947056;
$custom-dark: #000000;

JSON

{
  "hex": "#643a17",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 23
  },
  "hsl": {
    "h": 27.273,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3927,
    "c": 0.07655,
    "h": 57.4
  },
  "luminance": 0.05797
}

Semantic roles & 50–950 ramp

primary

#643A17

secondary

#3C709A

accent

#9BE642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643A17

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

Preview Lab → · Contrast checker → · Palette generator →