#644CC8#644CC8

#644CC8 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.184 H 286.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#644CC8
RGB	rgb(100, 76, 200)
HSL	hsl(252, 53%, 54%)
HSV	hsv(252, 62%, 78%)
CMYK	cmyk(50%, 62%, 0%, 21.6%)
CIE-LAB	lab(41.29, 41.57, -61.46)
CIE-LCH	lch(41.29, 74.20, 304.08°)
OKLab	oklab(51.15% 0.0534 -0.176)
OKLCH	oklch(51.15% 0.184 286.9)
XYZ	xyz(18.2622, 12.0475, 55.9955)
Luminance	0.1205 (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

#644CC8 #B0C84C

analogous

#4C72C8 #644CC8 #A24CC8

triadic

#644CC8 #C8644C #4CC864

tetradic

#644CC8 #C84C72 #B0C84C #4CC8A2

square

#644CC8 #C84C72 #B0C84C #4CC8A2

split-complementary

#644CC8 #C8A24C #72C84C

monochromatic

#342475 #4932A4 #644CC8 #8D7BD6 #B5AAE5

Accessibility & contrast

On white

6.16

#644CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC8

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC8	#FFFFFF	#000000	##FFFFFF
##644CC8	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CC

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#406983

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644cc8;
/* rgb */ color: rgb(100, 76, 200);
/* oklch */ color: oklch(51.1% 0.184 286.9);

Tailwind

colors: {
  custom: {
    50: '#987fda',
    500: '#644cc8',
    950: '#000000',
  },
}

SCSS

$custom: #644cc8;
$custom-light: #987fda;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc8",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 200
  },
  "hsl": {
    "h": 251.613,
    "s": 52.991,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51145,
    "c": 0.18396,
    "h": 286.9
  },
  "luminance": 0.12048
}

Semantic roles & 50–950 ramp

primary

#644CC8

secondary

#C8D29E

accent

#DC4BC0

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644CC8

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

Preview Lab → · Contrast checker → · Palette generator →