#644CC6#644CC6

#644CC6 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.0% C 0.181 H 287.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#644CC6
RGB	rgb(100, 76, 198)
HSL	hsl(252, 52%, 54%)
HSV	hsv(252, 62%, 78%)
CMYK	cmyk(49.5%, 61.6%, 0%, 22.4%)
CIE-LAB	lab(41.14, 40.98, -60.54)
CIE-LCH	lch(41.14, 73.10, 304.10°)
OKLab	oklab(50.99% 0.0535 -0.1733)
OKLCH	oklch(50.99% 0.181 287.2)
XYZ	xyz(18.0300, 11.9546, 54.7726)
Luminance	0.1196 (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

#644CC6 #AEC64C

analogous

#4C71C6 #644CC6 #A14CC6

triadic

#644CC6 #C6644C #4CC664

tetradic

#644CC6 #C64C71 #AEC64C #4CC6A1

square

#644CC6 #C64C71 #AEC64C #4CC6A1

split-complementary

#644CC6 #C6A14C #71C64C

monochromatic

#342573 #4933A1 #644CC6 #8C7AD5 #B4A9E4

Accessibility & contrast

On white

6.19

#644CC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#644CC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC6

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC6	#FFFFFF	#000000	##FFFFFF
##644CC6	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CA

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#416982

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644cc6;
/* rgb */ color: rgb(100, 76, 198);
/* oklch */ color: oklch(51.0% 0.181 287.2);

Tailwind

colors: {
  custom: {
    50: '#987fd8',
    500: '#644cc6',
    950: '#000000',
  },
}

SCSS

$custom: #644cc6;
$custom-light: #987fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc6",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 198
  },
  "hsl": {
    "h": 251.803,
    "s": 51.695,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50991,
    "c": 0.18141,
    "h": 287.2
  },
  "luminance": 0.11955
}

Semantic roles & 50–950 ramp

primary

#644CC6

secondary

#C7D19D

accent

#DB4DBF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644CC6

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

Preview Lab → · Contrast checker → · Palette generator →