#643E2C#643E2C

#643E2C is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.061 H 45.9°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#643E2C
RGB	rgb(100, 62, 44)
HSL	hsl(19, 39%, 28%)
HSV	hsv(19, 56%, 39%)
CMYK	cmyk(0%, 38%, 56%, 60.8%)
CIE-LAB	lab(30.25, 14.48, 17.93)
CIE-LCH	lch(30.25, 23.04, 51.07°)
OKLab	oklab(40.41% 0.0423 0.0436)
OKLCH	oklch(40.41% 0.061 45.9)
XYZ	xyz(7.4332, 6.3371, 3.2141)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E2C #2C5264

analogous

#642C36 #643E2C #645A2C

triadic

#643E2C #2C643E #3E2C64

tetradic

#643E2C #36642C #2C5264 #5A2C64

square

#643E2C #36642C #2C5264 #5A2C64

split-complementary

#643E2C #2C645A #2C3664

monochromatic

#150D09 #392419 #643E2C #8E583F #B57456

Accessibility & contrast

On white

9.26

#643E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#643E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E2C

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E2C	#FFFFFF	#000000	##FFFFFF
##643E2C	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48422B

Deuteranopia (green-blind)

#514A2C

Tritanopia (blue-blind)

#6D3739

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643e2c;
/* rgb */ color: rgb(100, 62, 44);
/* oklch */ color: oklch(40.4% 0.061 45.9);

Tailwind

colors: {
  custom: {
    50: '#937365',
    500: '#643e2c',
    950: '#000000',
  },
}

SCSS

$custom: #643e2c;
$custom-light: #937365;
$custom-dark: #000000;

JSON

{
  "hex": "#643e2c",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 19.286,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.4041,
    "c": 0.06078,
    "h": 45.9
  },
  "luminance": 0.06336
}

Semantic roles & 50–950 ramp

primary

#643E2C

secondary

#568196

accent

#A9CF59

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0805

muted

#7E7B7A

Preview Lab

Preview with #643E2C

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

Preview Lab → · Contrast checker → · Palette generator →