#643A2C#643A2C

#643A2C is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.6% C 0.064 H 39.2°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#643A2C
RGB	rgb(100, 58, 44)
HSL	hsl(15, 39%, 28%)
HSV	hsv(15, 56%, 39%)
CMYK	cmyk(0%, 42%, 56%, 60.8%)
CIE-LAB	lab(29.20, 16.94, 16.58)
CIE-LCH	lch(29.20, 23.71, 44.38°)
OKLab	oklab(39.61% 0.0498 0.0406)
OKLCH	oklch(39.61% 0.064 39.2)
XYZ	xyz(7.2237, 5.9180, 3.1442)
Luminance	0.0592 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A2C #2C5664

analogous

#642C3A #643A2C #64562C

triadic

#643A2C #2C643A #3A2C64

tetradic

#643A2C #3A642C #2C5664 #562C64

square

#643A2C #3A642C #2C5664 #562C64

split-complementary

#643A2C #2C6456 #2C3A64

monochromatic

#150C09 #392119 #643A2C #8E533F #B56E56

Accessibility & contrast

On white

9.62

#643A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#643A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A2C

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A2C	#FFFFFF	#000000	##FFFFFF
##643A2C	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F2B

Deuteranopia (green-blind)

#4F482C

Tritanopia (blue-blind)

#6D3336

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643a2c;
/* rgb */ color: rgb(100, 58, 44);
/* oklch */ color: oklch(39.6% 0.064 39.2);

Tailwind

colors: {
  custom: {
    50: '#937065',
    500: '#643a2c',
    950: '#000000',
  },
}

SCSS

$custom: #643a2c;
$custom-light: #937065;
$custom-dark: #000000;

JSON

{
  "hex": "#643a2c",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 15,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.39607,
    "c": 0.06421,
    "h": 39.2
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#643A2C

secondary

#568696

accent

#B1CF59

background

#F9F6F6

surface

#F2ECEB

border

#CCC7C6

text

#0D0705

muted

#7E7A7A

Preview Lab

Preview with #643A2C

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

Preview Lab → · Contrast checker → · Palette generator →