#643616#643616

#643616 is a dark, moderate orange. Relative luminance 0.054; OKLCH L 38.5% C 0.079 H 52.6°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#643616
RGB	rgb(100, 54, 22)
HSL	hsl(25, 64%, 24%)
HSV	hsv(25, 78%, 39%)
CMYK	cmyk(0%, 46%, 78%, 60.8%)
CIE-LAB	lab(27.86, 17.69, 28.24)
CIE-LCH	lch(27.86, 33.32, 57.93°)
OKLab	oklab(38.47% 0.0482 0.0631)
OKLCH	oklch(38.47% 0.079 52.6)
XYZ	xyz(6.7201, 5.4063, 1.4485)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643616 #164464

analogous

#64161D #643616 #645D16

triadic

#643616 #166436 #361664

tetradic

#643616 #1D6416 #164464 #5D1664

square

#643616 #1D6416 #164464 #5D1664

split-complementary

#643616 #16645D #161D64

monochromatic

#190E06 #321B0B #643616 #965121 #C86C2C

Accessibility & contrast

On white

10.09

#643616 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#643616 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643616

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643616	#FFFFFF	#000000	##FFFFFF
##643616	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B12

Deuteranopia (green-blind)

#4E4616

Tritanopia (blue-blind)

#6E2C2F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #643616;
/* rgb */ color: rgb(100, 54, 22);
/* oklch */ color: oklch(38.5% 0.079 52.6);

Tailwind

colors: {
  custom: {
    50: '#956d55',
    500: '#643616',
    950: '#000000',
  },
}

SCSS

$custom: #643616;
$custom-light: #956d55;
$custom-dark: #000000;

JSON

{
  "hex": "#643616",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 22
  },
  "hsl": {
    "h": 24.615,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.38469,
    "c": 0.07941,
    "h": 52.6
  },
  "luminance": 0.05406
}

Semantic roles & 50–950 ramp

primary

#643616

secondary

#3B739B

accent

#A3E741

background

#F9F6F5

surface

#F2EBE8

border

#CCC6C4

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643616

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

Preview Lab → · Contrast checker → · Palette generator →