#643928#643928

#643928 is a dark, moderate orange. Relative luminance 0.058; OKLCH L 39.3% C 0.067 H 42.1°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#643928
RGB	rgb(100, 57, 40)
HSL	hsl(17, 43%, 27%)
HSV	hsv(17, 60%, 39%)
CMYK	cmyk(0%, 43%, 60%, 60.8%)
CIE-LAB	lab(28.88, 17.17, 18.69)
CIE-LCH	lch(28.88, 25.38, 47.42°)
OKLab	oklab(39.33% 0.0499 0.0451)
OKLCH	oklch(39.33% 0.067 42.1)
XYZ	xyz(7.1021, 5.7895, 2.7505)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643928 #285364

analogous

#642835 #643928 #645728

triadic

#643928 #286439 #392864

tetradic

#643928 #356428 #285364 #572864

square

#643928 #356428 #285364 #572864

split-complementary

#643928 #286457 #283564

monochromatic

#160C09 #382017 #643928 #905239 #B86C4E

Accessibility & contrast

On white

9.73

#643928 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#643928 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643928

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643928	#FFFFFF	#000000	##FFFFFF
##643928	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443E27

Deuteranopia (green-blind)

#4F4828

Tritanopia (blue-blind)

#6D3135

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643928;
/* rgb */ color: rgb(100, 57, 40);
/* oklch */ color: oklch(39.3% 0.067 42.1);

Tailwind

colors: {
  custom: {
    50: '#937062',
    500: '#643928',
    950: '#000000',
  },
}

SCSS

$custom: #643928;
$custom-light: #937062;
$custom-dark: #000000;

JSON

{
  "hex": "#643928",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 17,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.39329,
    "c": 0.0672,
    "h": 42.1
  },
  "luminance": 0.05789
}

Semantic roles & 50–950 ramp

primary

#643928

secondary

#518397

accent

#AFD355

background

#F9F6F5

surface

#F2ECEA

border

#CCC7C6

text

#0D0705

muted

#7E7A79

Preview Lab

Preview with #643928

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

Preview Lab → · Contrast checker → · Palette generator →