#644EC8#644EC8

#644EC8 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.5% C 0.181 H 286.4°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#644EC8
RGB	rgb(100, 78, 200)
HSL	hsl(251, 53%, 55%)
HSV	hsv(251, 61%, 78%)
CMYK	cmyk(50%, 61%, 0%, 21.6%)
CIE-LAB	lab(41.73, 40.41, -60.74)
CIE-LCH	lch(41.73, 72.96, 303.63°)
OKLab	oklab(51.47% 0.0513 -0.1739)
OKLCH	oklch(51.47% 0.181 286.4)
XYZ	xyz(18.4022, 12.3274, 56.0422)
Luminance	0.1233 (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

#644EC8 #B2C84E

analogous

#4E75C8 #644EC8 #A14EC8

triadic

#644EC8 #C8644E #4EC864

tetradic

#644EC8 #C84E75 #B2C84E #4EC8A1

square

#644EC8 #C84E75 #B2C84E #4EC8A1

split-complementary

#644EC8 #C8A14E #75C84E

monochromatic

#342577 #4833A5 #644EC8 #8D7DD7 #B6ABE5

Accessibility & contrast

On white

6.06

#644EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#644EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC8

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC8	#FFFFFF	#000000	##FFFFFF
##644EC8	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#005FC5

Tritanopia (blue-blind)

#406B83

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec8;
/* rgb */ color: rgb(100, 78, 200);
/* oklch */ color: oklch(51.5% 0.181 286.4);

Tailwind

colors: {
  custom: {
    50: '#9880da',
    500: '#644ec8',
    950: '#000000',
  },
}

SCSS

$custom: #644ec8;
$custom-light: #9880da;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec8",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 200
  },
  "hsl": {
    "h": 250.82,
    "s": 52.586,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51466,
    "c": 0.18134,
    "h": 286.4
  },
  "luminance": 0.12328
}

Semantic roles & 50–950 ramp

primary

#644EC8

secondary

#C9D39F

accent

#DC4CC2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644EC8

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

Preview Lab → · Contrast checker → · Palette generator →