#643F27#643F27

#643F27 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.064 H 53.0°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#643F27
RGB	rgb(100, 63, 39)
HSL	hsl(24, 44%, 27%)
HSV	hsv(24, 61%, 39%)
CMYK	cmyk(0%, 37%, 61%, 60.8%)
CIE-LAB	lab(30.43, 13.38, 21.25)
CIE-LCH	lch(30.43, 25.11, 57.80°)
OKLab	oklab(40.52% 0.0382 0.0507)
OKLCH	oklch(40.52% 0.064 53)
XYZ	xyz(7.3997, 6.4115, 2.7669)
Luminance	0.0641 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F27 #274C64

analogous

#64272D #643F27 #645E27

triadic

#643F27 #27643F #3F2764

tetradic

#643F27 #2D6427 #274C64 #5E2764

square

#643F27 #2D6427 #274C64 #5E2764

split-complementary

#643F27 #27645E #272D64

monochromatic

#160E09 #382316 #643F27 #905B38 #B9774C

Accessibility & contrast

On white

9.20

#643F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F27

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F27	#FFFFFF	#000000	##FFFFFF
##643F27	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4325

Deuteranopia (green-blind)

#524B27

Tritanopia (blue-blind)

#6D3839

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643f27;
/* rgb */ color: rgb(100, 63, 39);
/* oklch */ color: oklch(40.5% 0.064 53.0);

Tailwind

colors: {
  custom: {
    50: '#937461',
    500: '#643f27',
    950: '#000000',
  },
}

SCSS

$custom: #643f27;
$custom-light: #937461;
$custom-dark: #000000;

JSON

{
  "hex": "#643f27",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 23.607,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40522,
    "c": 0.0635,
    "h": 53
  },
  "luminance": 0.06411
}

Semantic roles & 50–950 ramp

primary

#643F27

secondary

#507B97

accent

#A1D454

background

#F9F7F5

surface

#F2EDEA

border

#CCC8C6

text

#0D0805

muted

#7E7B79

Preview Lab

Preview with #643F27

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

Preview Lab → · Contrast checker → · Palette generator →