#645366#645366

#645366 is a mid, muted purple. Relative luminance 0.099; OKLCH L 46.6% C 0.037 H 322.8°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#645366
RGB	rgb(100, 83, 102)
HSL	hsl(294, 10%, 36%)
HSV	hsv(294, 19%, 40%)
CMYK	cmyk(2%, 18.6%, 0%, 60%)
CIE-LAB	lab(37.58, 10.82, -8.33)
CIE-LCH	lch(37.58, 13.66, 322.41°)
OKLab	oklab(46.61% 0.0294 -0.0224)
OKLCH	oklch(46.61% 0.037 322.8)
XYZ	xyz(10.7467, 9.8553, 13.9039)
Luminance	0.0985 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645366 #556653

analogous

#5B5366 #645366 #66535F

triadic

#645366 #666453 #536664

tetradic

#645366 #665B53 #556653 #535F66

square

#645366 #665B53 #556653 #535F66

split-complementary

#645366 #5F6653 #53665B

monochromatic

#221C23 #433844 #645366 #856E88 #A28FA4

Accessibility & contrast

On white

7.07

#645366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#645366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645366

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645366	#FFFFFF	#000000	##FFFFFF
##645366	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515767

Deuteranopia (green-blind)

#555965

Tritanopia (blue-blind)

#655559

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645366;
/* rgb */ color: rgb(100, 83, 102);
/* oklch */ color: oklch(46.6% 0.037 322.8);

Tailwind

colors: {
  custom: {
    50: '#908391',
    500: '#645366',
    950: '#000000',
  },
}

SCSS

$custom: #645366;
$custom-light: #908391;
$custom-dark: #000000;

JSON

{
  "hex": "#645366",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 293.684,
    "s": 10.27,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46608,
    "c": 0.03694,
    "h": 322.8
  },
  "luminance": 0.09855
}

Semantic roles & 50–950 ramp

primary

#645366

secondary

#849382

accent

#B3757B

background

#F8F8F8

surface

#F0EFF0

border

#CBCACB

text

#0C0A0C

muted

#7D7C7D

Preview Lab

Preview with #645366

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

Preview Lab → · Contrast checker → · Palette generator →