#643C53#643C53

#643C53 is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.2% C 0.065 H 344.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#643C53
RGB	rgb(100, 60, 83)
HSL	hsl(326, 25%, 31%)
HSV	hsv(326, 40%, 39%)
CMYK	cmyk(0%, 40%, 17%, 60.8%)
CIE-LAB	lab(30.80, 21.29, -6.45)
CIE-LCH	lch(30.80, 22.25, 343.14°)
OKLab	oklab(41.18% 0.0629 -0.017)
OKLCH	oklch(41.18% 0.065 344.9)
XYZ	xyz(8.4328, 6.5661, 9.0051)
Luminance	0.0657 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C53 #3C644D

analogous

#613C64 #643C53 #643C3F

triadic

#643C53 #53643C #3C5364

tetradic

#643C53 #64613C #3C644D #3C3F64

square

#643C53 #64613C #3C644D #3C3F64

split-complementary

#643C53 #3F643C #3C6461

monochromatic

#180E14 #3E2533 #643C53 #8A5373 #AA7191

Accessibility & contrast

On white

9.08

#643C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#643C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C53

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C53	#FFFFFF	#000000	##FFFFFF
##643C53	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4554

Deuteranopia (green-blind)

#494B52

Tritanopia (blue-blind)

#693C44

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643c53;
/* rgb */ color: rgb(100, 60, 83);
/* oklch */ color: oklch(41.2% 0.065 344.9);

Tailwind

colors: {
  custom: {
    50: '#917283',
    500: '#643c53',
    950: '#000000',
  },
}

SCSS

$custom: #643c53;
$custom-light: #917283;
$custom-dark: #000000;

JSON

{
  "hex": "#643c53",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 83
  },
  "hsl": {
    "h": 325.5,
    "s": 25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41181,
    "c": 0.06513,
    "h": 344.9
  },
  "luminance": 0.06566
}

Semantic roles & 50–950 ramp

primary

#643C53

secondary

#68947B

accent

#C18D66

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643C53

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

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