#643F29#643F29

#643F29 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.6% C 0.062 H 51.0°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#643F29
RGB	rgb(100, 63, 41)
HSL	hsl(22, 42%, 28%)
HSV	hsv(22, 59%, 39%)
CMYK	cmyk(0%, 37%, 59%, 60.8%)
CIE-LAB	lab(30.46, 13.56, 20.06)
CIE-LCH	lch(30.46, 24.22, 55.94°)
OKLab	oklab(40.56% 0.0391 0.0482)
OKLCH	oklch(40.56% 0.062 51)
XYZ	xyz(7.4337, 6.4251, 2.9460)
Luminance	0.0642 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F29 #294E64

analogous

#642930 #643F29 #645C29

triadic

#643F29 #29643F #3F2964

tetradic

#643F29 #306429 #294E64 #5C2964

square

#643F29 #306429 #294E64 #5C2964

split-complementary

#643F29 #29645C #293064

monochromatic

#160E09 #392417 #643F29 #8F5A3B #B77750

Accessibility & contrast

On white

9.19

#643F29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643F29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F29

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F29	#FFFFFF	#000000	##FFFFFF
##643F29	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494327

Deuteranopia (green-blind)

#524B29

Tritanopia (blue-blind)

#6D383A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f29;
/* rgb */ color: rgb(100, 63, 41);
/* oklch */ color: oklch(40.6% 0.062 51.0);

Tailwind

colors: {
  custom: {
    50: '#937463',
    500: '#643f29',
    950: '#000000',
  },
}

SCSS

$custom: #643f29;
$custom-light: #937463;
$custom-dark: #000000;

JSON

{
  "hex": "#643f29",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 22.373,
    "s": 41.844,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40558,
    "c": 0.06209,
    "h": 51
  },
  "luminance": 0.06424
}

Semantic roles & 50–950 ramp

primary

#643F29

secondary

#527D96

accent

#A4D256

background

#F9F7F5

surface

#F2EDEA

border

#CCC8C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643F29

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

Preview Lab → · Contrast checker → · Palette generator →