#643B49#643B49

#643B49 is a dark, moderate pink. Relative luminance 0.063; OKLCH L 40.6% C 0.061 H 358.2°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#643B49
RGB	rgb(100, 59, 73)
HSL	hsl(340, 26%, 31%)
HSV	hsv(340, 41%, 39%)
CMYK	cmyk(0%, 41%, 27%, 60.8%)
CIE-LAB	lab(30.20, 20.18, -0.84)
CIE-LCH	lch(30.20, 20.19, 357.63°)
OKLab	oklab(40.62% 0.0608 -0.0019)
OKLCH	oklch(40.62% 0.061 358.2)
XYZ	xyz(8.0223, 6.3188, 7.0992)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B49 #3B6456

analogous

#643B5D #643B49 #64413B

triadic

#643B49 #49643B #3B4964

tetradic

#643B49 #5D643B #3B6456 #413B64

square

#643B49 #5D643B #3B6456 #413B64

split-complementary

#643B49 #3B6441 #3B5D64

monochromatic

#170E11 #3E242D #643B49 #8A5265 #AA6F83

Accessibility & contrast

On white

9.28

#643B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#643B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B49

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B49	#FFFFFF	#000000	##FFFFFF
##643B49	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404349

Deuteranopia (green-blind)

#4A4A48

Tritanopia (blue-blind)

#6A3940

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643b49;
/* rgb */ color: rgb(100, 59, 73);
/* oklch */ color: oklch(40.6% 0.061 358.2);

Tailwind

colors: {
  custom: {
    50: '#91717b',
    500: '#643b49',
    950: '#000000',
  },
}

SCSS

$custom: #643b49;
$custom-light: #91717b;
$custom-dark: #000000;

JSON

{
  "hex": "#643b49",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 73
  },
  "hsl": {
    "h": 339.512,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40615,
    "c": 0.06084,
    "h": 358.2
  },
  "luminance": 0.06318
}

Semantic roles & 50–950 ramp

primary

#643B49

secondary

#679485

accent

#C2A366

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643B49

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

Preview Lab → · Contrast checker → · Palette generator →