#644EC9#644EC9

#644EC9 is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.5% C 0.183 H 286.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#644EC9
RGB	rgb(100, 78, 201)
HSL	hsl(251, 53%, 55%)
HSV	hsv(251, 61%, 79%)
CMYK	cmyk(50.2%, 61.2%, 0%, 21.2%)
CIE-LAB	lab(41.80, 40.71, -61.20)
CIE-LCH	lch(41.80, 73.51, 303.63°)
OKLab	oklab(51.54% 0.0513 -0.1753)
OKLCH	oklch(51.54% 0.183 286.3)
XYZ	xyz(18.5194, 12.3743, 56.6597)
Luminance	0.1237 (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

#644EC9 #B3C94E

analogous

#4E75C9 #644EC9 #A24EC9

triadic

#644EC9 #C9644E #4EC964

tetradic

#644EC9 #C94E75 #B3C94E #4EC9A2

square

#644EC9 #C94E75 #B3C94E #4EC9A2

split-complementary

#644EC9 #C9A24E #75C94E

monochromatic

#342578 #4833A7 #644EC9 #8D7DD7 #B6ACE6

Accessibility & contrast

On white

6.04

#644EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#644EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC9

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC9	#FFFFFF	#000000	##FFFFFF
##644EC9	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CD

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#3F6B84

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644ec9;
/* rgb */ color: rgb(100, 78, 201);
/* oklch */ color: oklch(51.5% 0.183 286.3);

Tailwind

colors: {
  custom: {
    50: '#9880da',
    500: '#644ec9',
    950: '#000000',
  },
}

SCSS

$custom: #644ec9;
$custom-light: #9880da;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec9",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 201
  },
  "hsl": {
    "h": 250.732,
    "s": 53.247,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51543,
    "c": 0.18262,
    "h": 286.3
  },
  "luminance": 0.12375
}

Semantic roles & 50–950 ramp

primary

#644EC9

secondary

#CAD39F

accent

#DD4BC3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644EC9

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

Preview Lab → · Contrast checker → · Palette generator →