#644EC2#644EC2

#644EC2 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.0% C 0.174 H 287.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#644EC2
RGB	rgb(100, 78, 194)
HSL	hsl(251, 49%, 53%)
HSV	hsv(251, 60%, 76%)
CMYK	cmyk(48.5%, 59.8%, 0%, 23.9%)
CIE-LAB	lab(41.30, 38.63, -57.96)
CIE-LCH	lch(41.30, 69.65, 303.68°)
OKLab	oklab(51.01% 0.0516 -0.1657)
OKLCH	oklch(51.01% 0.174 287.3)
XYZ	xyz(17.7147, 12.0524, 52.4214)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EC2 #ACC24E

analogous

#4E72C2 #644EC2 #9E4EC2

triadic

#644EC2 #C2644E #4EC264

tetradic

#644EC2 #C24E72 #ACC24E #4EC29E

square

#644EC2 #C24E72 #ACC24E #4EC29E

split-complementary

#644EC2 #C29E4E #72C24E

monochromatic

#34266F #4A369D #644EC2 #8C7CD2 #B4A9E1

Accessibility & contrast

On white

6.16

#644EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC2

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC2	#FFFFFF	#000000	##FFFFFF
##644EC2	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C6

Deuteranopia (green-blind)

#005EC0

Tritanopia (blue-blind)

#446980

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644ec2;
/* rgb */ color: rgb(100, 78, 194);
/* oklch */ color: oklch(51.0% 0.174 287.3);

Tailwind

colors: {
  custom: {
    50: '#9780d5',
    500: '#644ec2',
    950: '#000000',
  },
}

SCSS

$custom: #644ec2;
$custom-light: #9780d5;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec2",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 194
  },
  "hsl": {
    "h": 251.379,
    "s": 48.739,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51013,
    "c": 0.17359,
    "h": 287.3
  },
  "luminance": 0.12053
}

Semantic roles & 50–950 ramp

primary

#644EC2

secondary

#C5CF9D

accent

#D850BE

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644EC2

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

Preview Lab → · Contrast checker → · Palette generator →