#643B54#643B54

#643B54 is a dark, moderate pink. Relative luminance 0.065; OKLCH L 41.0% C 0.068 H 343.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#643B54
RGB	rgb(100, 59, 84)
HSL	hsl(323, 26%, 31%)
HSV	hsv(323, 41%, 39%)
CMYK	cmyk(0%, 41%, 16%, 60.8%)
CIE-LAB	lab(30.59, 22.08, -7.42)
CIE-LCH	lch(30.59, 23.30, 341.44°)
OKLab	oklab(41.03% 0.065 -0.0196)
OKLCH	oklch(41.03% 0.068 343.2)
XYZ	xyz(8.4198, 6.4778, 9.1927)
Luminance	0.0648 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B54 #3B644B

analogous

#5F3B64 #643B54 #643B3F

triadic

#643B54 #54643B #3B5464

tetradic

#643B54 #645F3B #3B644B #3B3F64

square

#643B54 #645F3B #3B644B #3B3F64

split-complementary

#643B54 #3F643B #3B645F

monochromatic

#170E13 #3E2434 #643B54 #8A5274 #AA6F93

Accessibility & contrast

On white

9.15

#643B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#643B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B54

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B54	#FFFFFF	#000000	##FFFFFF
##643B54	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4455

Deuteranopia (green-blind)

#484A53

Tritanopia (blue-blind)

#693B44

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643b54;
/* rgb */ color: rgb(100, 59, 84);
/* oklch */ color: oklch(41.0% 0.068 343.2);

Tailwind

colors: {
  custom: {
    50: '#917284',
    500: '#643b54',
    950: '#000000',
  },
}

SCSS

$custom: #643b54;
$custom-light: #917284;
$custom-dark: #000000;

JSON

{
  "hex": "#643b54",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 84
  },
  "hsl": {
    "h": 323.415,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41034,
    "c": 0.0679,
    "h": 343.2
  },
  "luminance": 0.06477
}

Semantic roles & 50–950 ramp

primary

#643B54

secondary

#679478

accent

#C28A66

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643B54

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

Preview Lab → · Contrast checker → · Palette generator →