#644DC3#644DC3

#644DC3 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 50.9% C 0.176 H 287.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#644DC3
RGB	rgb(100, 77, 195)
HSL	hsl(252, 50%, 53%)
HSV	hsv(252, 61%, 76%)
CMYK	cmyk(48.7%, 60.5%, 0%, 23.5%)
CIE-LAB	lab(41.15, 39.51, -58.79)
CIE-LCH	lch(41.15, 70.83, 303.90°)
OKLab	oklab(50.92% 0.0526 -0.1682)
OKLCH	oklch(50.92% 0.176 287.4)
XYZ	xyz(17.7569, 11.9564, 52.9914)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DC3 #ACC34D

analogous

#4D71C3 #644DC3 #9F4DC3

triadic

#644DC3 #C3644D #4DC364

tetradic

#644DC3 #C34D71 #ACC34D #4DC39F

square

#644DC3 #C34D71 #ACC34D #4DC39F

split-complementary

#644DC3 #C39F4D #71C34D

monochromatic

#342670 #4A359E #644DC3 #8C7BD2 #B4A9E2

Accessibility & contrast

On white

6.19

#644DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#644DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DC3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DC3	#FFFFFF	#000000	##FFFFFF
##644DC3	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)

#0064C7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#436881

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644dc3;
/* rgb */ color: rgb(100, 77, 195);
/* oklch */ color: oklch(50.9% 0.176 287.4);

Tailwind

colors: {
  custom: {
    50: '#9780d6',
    500: '#644dc3',
    950: '#000000',
  },
}

SCSS

$custom: #644dc3;
$custom-light: #9780d6;
$custom-dark: #000000;

JSON

{
  "hex": "#644dc3",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 195
  },
  "hsl": {
    "h": 251.695,
    "s": 49.58,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50924,
    "c": 0.17624,
    "h": 287.4
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#644DC3

secondary

#C5CF9D

accent

#D94FBE

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644DC3

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

Preview Lab → · Contrast checker → · Palette generator →