#644CCC#644CCC

#644CCC is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.5% C 0.189 H 286.3°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#644CCC
RGB	rgb(100, 76, 204)
HSL	hsl(251, 56%, 55%)
HSV	hsv(251, 63%, 80%)
CMYK	cmyk(51%, 62.7%, 0%, 20%)
CIE-LAB	lab(41.59, 42.76, -63.29)
CIE-LCH	lch(41.59, 76.38, 304.04°)
OKLab	oklab(51.46% 0.0531 -0.1814)
OKLCH	oklch(51.46% 0.189 286.3)
XYZ	xyz(18.7358, 12.2369, 58.4898)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CCC #B4CC4C

analogous

#4C74CC #644CCC #A44CCC

triadic

#644CCC #CC644C #4CCC64

tetradic

#644CCC #CC4C74 #B4CC4C #4CCCA4

square

#644CCC #CC4C74 #B4CC4C #4CCCA4

split-complementary

#644CCC #CCA44C #74CC4C

monochromatic

#33237B #4731AA #644CCC #8D7CDA #B6ABE7

Accessibility & contrast

On white

6.09

#644CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#644CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CCC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CCC	#FFFFFF	#000000	##FFFFFF
##644CCC	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#3D6B85

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ccc;
/* rgb */ color: rgb(100, 76, 204);
/* oklch */ color: oklch(51.5% 0.189 286.3);

Tailwind

colors: {
  custom: {
    50: '#997fdc',
    500: '#644ccc',
    950: '#000000',
  },
}

SCSS

$custom: #644ccc;
$custom-light: #997fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#644ccc",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 204
  },
  "hsl": {
    "h": 251.25,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51456,
    "c": 0.18903,
    "h": 286.3
  },
  "luminance": 0.12238
}

Semantic roles & 50–950 ramp

primary

#644CCC

secondary

#CBD59F

accent

#DF49C3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644CCC

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

Preview Lab → · Contrast checker → · Palette generator →