#643A27#643A27

#643A27 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.067 H 44.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#643A27
RGB	rgb(100, 58, 39)
HSL	hsl(19, 44%, 27%)
HSV	hsv(19, 61%, 39%)
CMYK	cmyk(0%, 42%, 61%, 60.8%)
CIE-LAB	lab(29.11, 16.47, 19.62)
CIE-LCH	lch(29.11, 25.61, 49.99°)
OKLab	oklab(39.51% 0.0476 0.0471)
OKLCH	oklch(39.51% 0.067 44.7)
XYZ	xyz(7.1353, 5.8826, 2.6787)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A27 #275164

analogous

#642732 #643A27 #645927

triadic

#643A27 #27643A #3A2764

tetradic

#643A27 #326427 #275164 #592764

square

#643A27 #326427 #275164 #592764

split-complementary

#643A27 #276459 #273264

monochromatic

#160D09 #382016 #643A27 #905438 #B96E4C

Accessibility & contrast

On white

9.65

#643A27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643A27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A27

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A27	#FFFFFF	#000000	##FFFFFF
##643A27	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F25

Deuteranopia (green-blind)

#4F4827

Tritanopia (blue-blind)

#6D3235

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643a27;
/* rgb */ color: rgb(100, 58, 39);
/* oklch */ color: oklch(39.5% 0.067 44.7);

Tailwind

colors: {
  custom: {
    50: '#937061',
    500: '#643a27',
    950: '#000000',
  },
}

SCSS

$custom: #643a27;
$custom-light: #937061;
$custom-dark: #000000;

JSON

{
  "hex": "#643a27",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 39
  },
  "hsl": {
    "h": 18.689,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.39508,
    "c": 0.0669,
    "h": 44.7
  },
  "luminance": 0.05882
}

Semantic roles & 50–950 ramp

primary

#643A27

secondary

#508197

accent

#ACD454

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0705

muted

#7E7A79

Preview Lab

Preview with #643A27

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

Preview Lab → · Contrast checker → · Palette generator →