#644EC4#644EC4

#644EC4 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.2% C 0.176 H 287.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#644EC4
RGB	rgb(100, 78, 196)
HSL	hsl(251, 50%, 54%)
HSV	hsv(251, 60%, 77%)
CMYK	cmyk(49%, 60.2%, 0%, 23.1%)
CIE-LAB	lab(41.44, 39.22, -58.89)
CIE-LCH	lch(41.44, 70.76, 303.66°)
OKLab	oklab(51.16% 0.0515 -0.1685)
OKLCH	oklch(51.16% 0.176 287)
XYZ	xyz(17.9408, 12.1428, 53.6123)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EC4 #AEC44E

analogous

#4E73C4 #644EC4 #9F4EC4

triadic

#644EC4 #C4644E #4EC464

tetradic

#644EC4 #C44E73 #AEC44E #4EC49F

square

#644EC4 #C44E73 #AEC44E #4EC49F

split-complementary

#644EC4 #C49F4E #73C44E

monochromatic

#342672 #4935A0 #644EC4 #8C7CD3 #B4AAE3

Accessibility & contrast

On white

6.12

#644EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#644EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC4

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC4	#FFFFFF	#000000	##FFFFFF
##644EC4	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#436981

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec4;
/* rgb */ color: rgb(100, 78, 196);
/* oklch */ color: oklch(51.2% 0.176 287.0);

Tailwind

colors: {
  custom: {
    50: '#9780d7',
    500: '#644ec4',
    950: '#000000',
  },
}

SCSS

$custom: #644ec4;
$custom-light: #9780d7;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec4",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 196
  },
  "hsl": {
    "h": 251.186,
    "s": 50,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.17618,
    "h": 287
  },
  "luminance": 0.12144
}

Semantic roles & 50–950 ramp

primary

#644EC4

secondary

#C7D09E

accent

#DA4EC0

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644EC4

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

Preview Lab → · Contrast checker → · Palette generator →