#643C49#643C49

#643C49 is a dark, muted pink. Relative luminance 0.064; OKLCH L 40.8% C 0.059 H 359.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#643C49
RGB	rgb(100, 60, 73)
HSL	hsl(341, 25%, 31%)
HSV	hsv(341, 40%, 39%)
CMYK	cmyk(0%, 40%, 27%, 60.8%)
CIE-LAB	lab(30.45, 19.56, -0.47)
CIE-LCH	lch(30.45, 19.57, 358.63°)
OKLab	oklab(40.81% 0.059 -0.001)
OKLCH	oklch(40.81% 0.059 359.1)
XYZ	xyz(8.0742, 6.4226, 7.1165)
Luminance	0.0642 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C49 #3C6457

analogous

#643C5D #643C49 #64433C

triadic

#643C49 #49643C #3C4964

tetradic

#643C49 #5D643C #3C6457 #433C64

square

#643C49 #5D643C #3C6457 #433C64

split-complementary

#643C49 #3C6443 #3C5D64

monochromatic

#180E11 #3E252D #643C49 #8A5365 #AA7183

Accessibility & contrast

On white

9.19

#643C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#643C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C49

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C49	#FFFFFF	#000000	##FFFFFF
##643C49	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414349

Deuteranopia (green-blind)

#4B4A48

Tritanopia (blue-blind)

#6A3A41

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643c49;
/* rgb */ color: rgb(100, 60, 73);
/* oklch */ color: oklch(40.8% 0.059 359.1);

Tailwind

colors: {
  custom: {
    50: '#91727b',
    500: '#643c49',
    950: '#000000',
  },
}

SCSS

$custom: #643c49;
$custom-light: #91727b;
$custom-dark: #000000;

JSON

{
  "hex": "#643c49",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 73
  },
  "hsl": {
    "h": 340.5,
    "s": 25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40807,
    "c": 0.05899,
    "h": 359.1
  },
  "luminance": 0.06422
}

Semantic roles & 50–950 ramp

primary

#643C49

secondary

#689486

accent

#C1A466

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643C49

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

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