#644166#644166

#644166 is a dark, moderate purple. Relative luminance 0.074; OKLCH L 43.0% C 0.074 H 324.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#644166
RGB	rgb(100, 65, 102)
HSL	hsl(297, 22%, 33%)
HSV	hsv(297, 36%, 40%)
CMYK	cmyk(2%, 36.3%, 0%, 60%)
CIE-LAB	lab(32.81, 22.01, -15.58)
CIE-LCH	lch(32.81, 26.97, 324.71°)
OKLab	oklab(42.96% 0.0603 -0.0424)
OKLCH	oklch(42.96% 0.074 324.9)
XYZ	xyz(9.5439, 7.4496, 13.5030)
Luminance	0.0745 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644166 #436641

analogous

#514166 #644166 #664155

triadic

#644166 #666441 #416664

tetradic

#644166 #665141 #436641 #415566

square

#644166 #665141 #436641 #415566

split-complementary

#644166 #556641 #416651

monochromatic

#1B111B #3F2941 #644166 #89598B #A678A9

Accessibility & contrast

On white

8.43

#644166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#644166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644166

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644166	#FFFFFF	#000000	##FFFFFF
##644166	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4A67

Deuteranopia (green-blind)

#464F65

Tritanopia (blue-blind)

#66454F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #644166;
/* rgb */ color: rgb(100, 65, 102);
/* oklch */ color: oklch(43.0% 0.074 324.9);

Tailwind

colors: {
  custom: {
    50: '#917691',
    500: '#644166',
    950: '#000000',
  },
}

SCSS

$custom: #644166;
$custom-light: #917691;
$custom-dark: #000000;

JSON

{
  "hex": "#644166",
  "rgb": {
    "r": 100,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 296.757,
    "s": 22.156,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42956,
    "c": 0.07373,
    "h": 324.9
  },
  "luminance": 0.07449
}

Semantic roles & 50–950 ramp

primary

#644166

secondary

#70956E

accent

#BF696E

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080D

muted

#7D7B7D

Preview Lab

Preview with #644166

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

Preview Lab → · Contrast checker → · Palette generator →