#643816#643816

#643816 is a dark, moderate orange. Relative luminance 0.056; OKLCH L 38.9% C 0.078 H 55.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#643816
RGB	rgb(100, 56, 22)
HSL	hsl(26, 64%, 24%)
HSV	hsv(26, 78%, 39%)
CMYK	cmyk(0%, 44%, 78%, 60.8%)
CIE-LAB	lab(28.37, 16.47, 28.77)
CIE-LCH	lch(28.37, 33.15, 60.21°)
OKLab	oklab(38.86% 0.0446 0.0642)
OKLCH	oklch(38.86% 0.078 55.3)
XYZ	xyz(6.8151, 5.5963, 1.4802)
Luminance	0.0560 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643816 #164264

analogous

#64161B #643816 #645F16

triadic

#643816 #166438 #381664

tetradic

#643816 #1B6416 #164264 #5F1664

square

#643816 #1B6416 #164264 #5F1664

split-complementary

#643816 #16645F #161B64

monochromatic

#190E06 #321C0B #643816 #965421 #C8702C

Accessibility & contrast

On white

9.91

#643816 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#643816 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643816

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643816	#FFFFFF	#000000	##FFFFFF
##643816	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D12

Deuteranopia (green-blind)

#4F4716

Tritanopia (blue-blind)

#6E2F31

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #643816;
/* rgb */ color: rgb(100, 56, 22);
/* oklch */ color: oklch(38.9% 0.078 55.3);

Tailwind

colors: {
  custom: {
    50: '#956f55',
    500: '#643816',
    950: '#000000',
  },
}

SCSS

$custom: #643816;
$custom-light: #956f55;
$custom-dark: #000000;

JSON

{
  "hex": "#643816",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 22
  },
  "hsl": {
    "h": 26.154,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3886,
    "c": 0.07818,
    "h": 55.3
  },
  "luminance": 0.05596
}

Semantic roles & 50–950 ramp

primary

#643816

secondary

#3B719B

accent

#9FE741

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643816

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

Preview Lab → · Contrast checker → · Palette generator →