#644CC7#644CC7

#644CC7 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.183 H 287.0°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#644CC7
RGB	rgb(100, 76, 199)
HSL	hsl(252, 52%, 54%)
HSV	hsv(252, 62%, 78%)
CMYK	cmyk(49.7%, 61.8%, 0%, 22%)
CIE-LAB	lab(41.22, 41.28, -61.00)
CIE-LCH	lch(41.22, 73.65, 304.09°)
OKLab	oklab(51.07% 0.0535 -0.1747)
OKLCH	oklch(51.07% 0.183 287)
XYZ	xyz(18.1458, 12.0009, 55.3820)
Luminance	0.1200 (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

#644CC7 #AFC74C

analogous

#4C72C7 #644CC7 #A24CC7

triadic

#644CC7 #C7644C #4CC764

tetradic

#644CC7 #C74C72 #AFC74C #4CC7A2

square

#644CC7 #C74C72 #AFC74C #4CC7A2

split-complementary

#644CC7 #C7A24C #72C74C

monochromatic

#342474 #4933A3 #644CC7 #8C7BD6 #B5A9E4

Accessibility & contrast

On white

6.18

#644CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#644CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC7	#FFFFFF	#000000	##FFFFFF
##644CC7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CB

Deuteranopia (green-blind)

#005EC4

Tritanopia (blue-blind)

#416982

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644cc7;
/* rgb */ color: rgb(100, 76, 199);
/* oklch */ color: oklch(51.1% 0.183 287.0);

Tailwind

colors: {
  custom: {
    50: '#987fd9',
    500: '#644cc7',
    950: '#000000',
  },
}

SCSS

$custom: #644cc7;
$custom-light: #987fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc7",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 199
  },
  "hsl": {
    "h": 251.707,
    "s": 52.34,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51068,
    "c": 0.18268,
    "h": 287
  },
  "luminance": 0.12002
}

Semantic roles & 50–950 ramp

primary

#644CC7

secondary

#C7D29D

accent

#DC4CC0

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644CC7

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

Preview Lab → · Contrast checker → · Palette generator →