#645166#645166

#645166 is a mid, muted purple. Relative luminance 0.096; OKLCH L 46.2% C 0.041 H 323.1°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#645166
RGB	rgb(100, 81, 102)
HSL	hsl(294, 11%, 36%)
HSV	hsv(294, 21%, 40%)
CMYK	cmyk(2%, 20.6%, 0%, 60%)
CIE-LAB	lab(37.03, 12.07, -9.16)
CIE-LCH	lch(37.03, 15.15, 322.79°)
OKLab	oklab(46.18% 0.0328 -0.0246)
OKLCH	oklch(46.18% 0.041 323.1)
XYZ	xyz(10.5959, 9.5537, 13.8537)
Luminance	0.0955 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645166 #536651

analogous

#595166 #645166 #66515D

triadic

#645166 #666451 #516664

tetradic

#645166 #665951 #536651 #515D66

square

#645166 #665951 #536651 #515D66

split-complementary

#645166 #5D6651 #516659

monochromatic

#211B22 #433644 #645166 #856C88 #A28DA4

Accessibility & contrast

On white

7.22

#645166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#645166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645166

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645166	#FFFFFF	#000000	##FFFFFF
##645166	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5667

Deuteranopia (green-blind)

#535865

Tritanopia (blue-blind)

#655358

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645166;
/* rgb */ color: rgb(100, 81, 102);
/* oklch */ color: oklch(46.2% 0.041 323.1);

Tailwind

colors: {
  custom: {
    50: '#908291',
    500: '#645166',
    950: '#000000',
  },
}

SCSS

$custom: #645166;
$custom-light: #908291;
$custom-dark: #000000;

JSON

{
  "hex": "#645166",
  "rgb": {
    "r": 100,
    "g": 81,
    "b": 102
  },
  "hsl": {
    "h": 294.286,
    "s": 11.475,
    "l": 35.882
  },
  "oklch": {
    "l": 0.46181,
    "c": 0.04104,
    "h": 323.1
  },
  "luminance": 0.09553
}

Semantic roles & 50–950 ramp

primary

#645166

secondary

#829380

accent

#B4737A

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0C0A0C

muted

#7D7C7D

Preview Lab

Preview with #645166

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

Preview Lab → · Contrast checker → · Palette generator →