#643E27#643E27

#643E27 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.3% C 0.064 H 51.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#643E27
RGB	rgb(100, 62, 39)
HSL	hsl(23, 44%, 27%)
HSV	hsv(23, 61%, 39%)
CMYK	cmyk(0%, 38%, 61%, 60.8%)
CIE-LAB	lab(30.16, 14.00, 20.92)
CIE-LCH	lch(30.16, 25.17, 56.21°)
OKLab	oklab(40.32% 0.0401 0.05)
OKLCH	oklch(40.32% 0.064 51.3)
XYZ	xyz(7.3448, 6.3017, 2.7486)
Luminance	0.0630 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E27 #274D64

analogous

#64272F #643E27 #645D27

triadic

#643E27 #27643E #3E2764

tetradic

#643E27 #2F6427 #274D64 #5D2764

square

#643E27 #2F6427 #274D64 #5D2764

split-complementary

#643E27 #27645D #272F64

monochromatic

#160E09 #382316 #643E27 #905938 #B9754C

Accessibility & contrast

On white

9.29

#643E27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643E27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E27

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E27	#FFFFFF	#000000	##FFFFFF
##643E27	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494225

Deuteranopia (green-blind)

#524A27

Tritanopia (blue-blind)

#6D3738

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e27;
/* rgb */ color: rgb(100, 62, 39);
/* oklch */ color: oklch(40.3% 0.064 51.3);

Tailwind

colors: {
  custom: {
    50: '#937361',
    500: '#643e27',
    950: '#000000',
  },
}

SCSS

$custom: #643e27;
$custom-light: #937361;
$custom-dark: #000000;

JSON

{
  "hex": "#643e27",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 22.623,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40316,
    "c": 0.06406,
    "h": 51.3
  },
  "luminance": 0.06301
}

Semantic roles & 50–950 ramp

primary

#643E27

secondary

#507C97

accent

#A4D454

background

#F9F7F5

surface

#F2EDEA

border

#CCC8C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643E27

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

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