#644CD2#644CD2

#644CD2 is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.9% C 0.197 H 285.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#644CD2
RGB	rgb(100, 76, 210)
HSL	hsl(251, 60%, 56%)
HSV	hsv(251, 64%, 82%)
CMYK	cmyk(52.4%, 63.8%, 0%, 17.6%)
CIE-LAB	lab(42.05, 44.54, -66.00)
CIE-LCH	lch(42.05, 79.63, 304.01°)
OKLab	oklab(51.93% 0.0526 -0.1894)
OKLCH	oklch(51.93% 0.197 285.5)
XYZ	xyz(19.4693, 12.5303, 62.3530)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CD2 #BAD24C

analogous

#4C77D2 #644CD2 #A74CD2

triadic

#644CD2 #D2644C #4CD264

tetradic

#644CD2 #D24C77 #BAD24C #4CD2A7

square

#644CD2 #D24C77 #BAD24C #4CD2A7

split-complementary

#644CD2 #D2A74C #77D24C

monochromatic

#322183 #452DB4 #644CD2 #8E7DDE #B9AEEB

Accessibility & contrast

On white

5.99

#644CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#644CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CD2

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CD2	#FFFFFF	#000000	##FFFFFF
##644CD2	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D6

Deuteranopia (green-blind)

#005FCF

Tritanopia (blue-blind)

#386D88

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644cd2;
/* rgb */ color: rgb(100, 76, 210);
/* oklch */ color: oklch(51.9% 0.197 285.5);

Tailwind

colors: {
  custom: {
    50: '#997fe1',
    500: '#644cd2',
    950: '#000000',
  },
}

SCSS

$custom: #644cd2;
$custom-light: #997fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#644cd2",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 210
  },
  "hsl": {
    "h": 250.746,
    "s": 59.821,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51931,
    "c": 0.19655,
    "h": 285.5
  },
  "luminance": 0.12531
}

Semantic roles & 50–950 ramp

primary

#644CD2

secondary

#CFD9A1

accent

#E345C7

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644CD2

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

Preview Lab → · Contrast checker → · Palette generator →