#644CC4#644CC4

#644CC4 is a mid, vivid violet. Relative luminance 0.119; OKLCH L 50.8% C 0.179 H 287.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#644CC4
RGB	rgb(100, 76, 196)
HSL	hsl(252, 50%, 53%)
HSV	hsv(252, 61%, 77%)
CMYK	cmyk(49%, 61.2%, 0%, 23.1%)
CIE-LAB	lab(41.00, 40.39, -59.61)
CIE-LCH	lch(41.00, 72.01, 304.12°)
OKLab	oklab(50.84% 0.0537 -0.1706)
OKLCH	oklch(50.84% 0.179 287.5)
XYZ	xyz(17.8009, 11.8629, 53.5657)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CC4 #ACC44C

analogous

#4C70C4 #644CC4 #A04CC4

triadic

#644CC4 #C4644C #4CC464

tetradic

#644CC4 #C44C70 #ACC44C #4CC4A0

square

#644CC4 #C44C70 #ACC44C #4CC4A0

split-complementary

#644CC4 #C4A04C #70C44C

monochromatic

#342571 #4A349F #644CC4 #8C7AD3 #B4A8E2

Accessibility & contrast

On white

6.23

#644CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#644CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC4

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC4	#FFFFFF	#000000	##FFFFFF
##644CC4	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C8

Deuteranopia (green-blind)

#005DC2

Tritanopia (blue-blind)

#436881

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644cc4;
/* rgb */ color: rgb(100, 76, 196);
/* oklch */ color: oklch(50.8% 0.179 287.5);

Tailwind

colors: {
  custom: {
    50: '#987fd7',
    500: '#644cc4',
    950: '#000000',
  },
}

SCSS

$custom: #644cc4;
$custom-light: #987fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc4",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 196
  },
  "hsl": {
    "h": 252,
    "s": 50.42,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50837,
    "c": 0.17885,
    "h": 287.5
  },
  "luminance": 0.11864
}

Semantic roles & 50–950 ramp

primary

#644CC4

secondary

#C5D09C

accent

#DA4EBE

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CC4

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

Preview Lab → · Contrast checker → · Palette generator →