#644366#644366

#644366 is a dark, moderate purple. Relative luminance 0.077; OKLCH L 43.3% C 0.070 H 324.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#644366
RGB	rgb(100, 67, 102)
HSL	hsl(297, 21%, 33%)
HSV	hsv(297, 34%, 40%)
CMYK	cmyk(2%, 34.3%, 0%, 60%)
CIE-LAB	lab(33.31, 20.78, -14.81)
CIE-LCH	lch(33.31, 25.52, 324.53°)
OKLab	oklab(43.34% 0.0569 -0.0402)
OKLCH	oklch(43.34% 0.07 324.7)
XYZ	xyz(9.6607, 7.6833, 13.5419)
Luminance	0.0768 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644366 #456643

analogous

#524366 #644366 #664356

triadic

#644366 #666443 #436664

tetradic

#644366 #665243 #456643 #435666

square

#644366 #665243 #456643 #435666

split-complementary

#644366 #566643 #436652

monochromatic

#1C121C #402B41 #644366 #885B8B #A67BA8

Accessibility & contrast

On white

8.28

#644366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#644366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644366

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644366	#FFFFFF	#000000	##FFFFFF
##644366	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404C67

Deuteranopia (green-blind)

#485065

Tritanopia (blue-blind)

#664650

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #644366;
/* rgb */ color: rgb(100, 67, 102);
/* oklch */ color: oklch(43.3% 0.070 324.7);

Tailwind

colors: {
  custom: {
    50: '#917791',
    500: '#644366',
    950: '#000000',
  },
}

SCSS

$custom: #644366;
$custom-light: #917791;
$custom-dark: #000000;

JSON

{
  "hex": "#644366",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 102
  },
  "hsl": {
    "h": 296.571,
    "s": 20.71,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43339,
    "c": 0.06969,
    "h": 324.7
  },
  "luminance": 0.07683
}

Semantic roles & 50–950 ramp

primary

#644366

secondary

#729470

accent

#BD6B6F

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D090D

muted

#7D7B7D

Preview Lab

Preview with #644366

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

Preview Lab → · Contrast checker → · Palette generator →