#643717#643717

#643717 is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.7% C 0.078 H 53.3°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#643717
RGB	rgb(100, 55, 23)
HSL	hsl(25, 63%, 24%)
HSV	hsv(25, 77%, 39%)
CMYK	cmyk(0%, 45%, 77%, 60.8%)
CIE-LAB	lab(28.13, 17.14, 27.96)
CIE-LCH	lch(28.13, 32.80, 58.50°)
OKLab	oklab(38.67% 0.0467 0.0628)
OKLCH	oklch(38.67% 0.078 53.3)
XYZ	xyz(6.7769, 5.5043, 1.5160)
Luminance	0.0550 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643717 #174464

analogous

#64171E #643717 #645E17

triadic

#643717 #176437 #371764

tetradic

#643717 #1E6417 #174464 #5E1764

square

#643717 #1E6417 #174464 #5E1764

split-complementary

#643717 #17645E #171E64

monochromatic

#190E06 #321C0C #643717 #965222 #C86E2E

Accessibility & contrast

On white

10.00

#643717 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#643717 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643717

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643717	#FFFFFF	#000000	##FFFFFF
##643717	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C13

Deuteranopia (green-blind)

#4F4617

Tritanopia (blue-blind)

#6E2E30

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643717;
/* rgb */ color: rgb(100, 55, 23);
/* oklch */ color: oklch(38.7% 0.078 53.3);

Tailwind

colors: {
  custom: {
    50: '#956e56',
    500: '#643717',
    950: '#000000',
  },
}

SCSS

$custom: #643717;
$custom-light: #956e56;
$custom-dark: #000000;

JSON

{
  "hex": "#643717",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 23
  },
  "hsl": {
    "h": 24.935,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.38675,
    "c": 0.07825,
    "h": 53.3
  },
  "luminance": 0.05504
}

Semantic roles & 50–950 ramp

primary

#643717

secondary

#3C739A

accent

#A2E642

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643717

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

Preview Lab → · Contrast checker → · Palette generator →