#643918#643918

#643918 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.1% C 0.076 H 55.4°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#643918
RGB	rgb(100, 57, 24)
HSL	hsl(26, 61%, 24%)
HSV	hsv(26, 76%, 39%)
CMYK	cmyk(0%, 43%, 76%, 60.8%)
CIE-LAB	lab(28.65, 15.97, 27.97)
CIE-LCH	lch(28.65, 32.21, 60.28°)
OKLab	oklab(39.08% 0.0434 0.063)
OKLCH	oklch(39.08% 0.077 55.4)
XYZ	xyz(6.8841, 5.7022, 1.6021)
Luminance	0.0570 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643918 #184364

analogous

#64181D #643918 #645F18

triadic

#643918 #186439 #391864

tetradic

#643918 #1D6418 #184364 #5F1864

square

#643918 #1D6418 #184364 #5F1864

split-complementary

#643918 #18645F #181D64

monochromatic

#190E06 #331D0C #643918 #955524 #C77130

Accessibility & contrast

On white

9.81

#643918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#643918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643918

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643918	#FFFFFF	#000000	##FFFFFF
##643918	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E14

Deuteranopia (green-blind)

#504718

Tritanopia (blue-blind)

#6E3032

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643918;
/* rgb */ color: rgb(100, 57, 24);
/* oklch */ color: oklch(39.1% 0.076 55.4);

Tailwind

colors: {
  custom: {
    50: '#946f56',
    500: '#643918',
    950: '#000000',
  },
}

SCSS

$custom: #643918;
$custom-light: #946f56;
$custom-dark: #000000;

JSON

{
  "hex": "#643918",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 24
  },
  "hsl": {
    "h": 26.053,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.39082,
    "c": 0.0765,
    "h": 55.4
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#643918

secondary

#3E729A

accent

#9EE443

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #643918

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

Preview Lab → · Contrast checker → · Palette generator →