#643657#643657

#643657 is a dark, moderate pink. Relative luminance 0.060; OKLCH L 40.3% C 0.080 H 338.5°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#643657
RGB	rgb(100, 54, 87)
HSL	hsl(317, 30%, 30%)
HSV	hsv(317, 46%, 39%)
CMYK	cmyk(0%, 46%, 13%, 60.8%)
CIE-LAB	lab(29.50, 25.65, -11.00)
CIE-LCH	lch(29.50, 27.91, 336.78°)
OKLab	oklab(40.26% 0.0748 -0.0294)
OKLCH	oklch(40.26% 0.08 338.5)
XYZ	xyz(8.2950, 6.0363, 9.7432)
Luminance	0.0604 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643657 #366443

analogous

#5A3664 #643657 #643640

triadic

#643657 #576436 #365764

tetradic

#643657 #645A36 #366443 #364064

square

#643657 #645A36 #366443 #364064

split-complementary

#643657 #406436 #36645A

monochromatic

#150B12 #3C2134 #643657 #8C4B7A #AD6799

Accessibility & contrast

On white

9.51

#643657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#643657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643657

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643657	#FFFFFF	#000000	##FFFFFF
##643657	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374158

Deuteranopia (green-blind)

#434856

Tritanopia (blue-blind)

#693742

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #643657;
/* rgb */ color: rgb(100, 54, 87);
/* oklch */ color: oklch(40.3% 0.080 338.5);

Tailwind

colors: {
  custom: {
    50: '#916e86',
    500: '#643657',
    950: '#000000',
  },
}

SCSS

$custom: #643657;
$custom-light: #916e86;
$custom-dark: #000000;

JSON

{
  "hex": "#643657",
  "rgb": {
    "r": 100,
    "g": 54,
    "b": 87
  },
  "hsl": {
    "h": 316.957,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40255,
    "c": 0.08039,
    "h": 338.5
  },
  "luminance": 0.06036
}

Semantic roles & 50–950 ramp

primary

#643657

secondary

#619570

accent

#C67E62

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D070B

muted

#7E7A7C

Preview Lab

Preview with #643657

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

Preview Lab → · Contrast checker → · Palette generator →