#643E53#643E53

#643E53 is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.6% C 0.061 H 345.8°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#643E53
RGB	rgb(100, 62, 83)
HSL	hsl(327, 23%, 32%)
HSV	hsv(327, 38%, 39%)
CMYK	cmyk(0%, 38%, 17%, 60.8%)
CIE-LAB	lab(31.30, 20.06, -5.70)
CIE-LCH	lch(31.30, 20.86, 344.14°)
OKLab	oklab(41.56% 0.0593 -0.015)
OKLCH	oklch(41.56% 0.061 345.8)
XYZ	xyz(8.5396, 6.7796, 9.0407)
Luminance	0.0678 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E53 #3E644F

analogous

#623E64 #643E53 #643E40

triadic

#643E53 #53643E #3E5364

tetradic

#643E53 #64623E #3E644F #3E4064

square

#643E53 #64623E #3E644F #3E4064

split-complementary

#643E53 #40643E #3E6462

monochromatic

#180F14 #3E2734 #643E53 #8A5572 #A97491

Accessibility & contrast

On white

8.91

#643E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#643E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E53

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E53	#FFFFFF	#000000	##FFFFFF
##643E53	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414654

Deuteranopia (green-blind)

#4A4C52

Tritanopia (blue-blind)

#693E45

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643e53;
/* rgb */ color: rgb(100, 62, 83);
/* oklch */ color: oklch(41.6% 0.061 345.8);

Tailwind

colors: {
  custom: {
    50: '#917483',
    500: '#643e53',
    950: '#000000',
  },
}

SCSS

$custom: #643e53;
$custom-light: #917483;
$custom-dark: #000000;

JSON

{
  "hex": "#643e53",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 83
  },
  "hsl": {
    "h": 326.842,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41563,
    "c": 0.06114,
    "h": 345.8
  },
  "luminance": 0.06779
}

Semantic roles & 50–950 ramp

primary

#643E53

secondary

#6A947D

accent

#C08F68

background

#F8F7F8

surface

#F0EDEF

border

#CBC8CA

text

#0D080A

muted

#7D7B7C

Preview Lab

Preview with #643E53

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

Preview Lab → · Contrast checker → · Palette generator →