#644EC7#644EC7

#644EC7 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.4% C 0.180 H 286.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#644EC7
RGB	rgb(100, 78, 199)
HSL	hsl(251, 52%, 54%)
HSV	hsv(251, 61%, 78%)
CMYK	cmyk(49.7%, 60.8%, 0%, 22%)
CIE-LAB	lab(41.66, 40.11, -60.28)
CIE-LCH	lch(41.66, 72.41, 303.64°)
OKLab	oklab(51.39% 0.0514 -0.1726)
OKLCH	oklch(51.39% 0.18 286.6)
XYZ	xyz(18.2857, 12.2808, 55.4287)
Luminance	0.1228 (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

#644EC7 #B1C74E

analogous

#4E75C7 #644EC7 #A14EC7

triadic

#644EC7 #C7644E #4EC764

tetradic

#644EC7 #C74E75 #B1C74E #4EC7A1

square

#644EC7 #C74E75 #B1C74E #4EC7A1

split-complementary

#644EC7 #C7A14E #75C74E

monochromatic

#342575 #4834A4 #644EC7 #8D7CD6 #B5ABE4

Accessibility & contrast

On white

6.08

#644EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#644EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC7

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC7	#FFFFFF	#000000	##FFFFFF
##644EC7	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CB

Deuteranopia (green-blind)

#005FC4

Tritanopia (blue-blind)

#406A83

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec7;
/* rgb */ color: rgb(100, 78, 199);
/* oklch */ color: oklch(51.4% 0.180 286.6);

Tailwind

colors: {
  custom: {
    50: '#9880d9',
    500: '#644ec7',
    950: '#000000',
  },
}

SCSS

$custom: #644ec7;
$custom-light: #9880d9;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec7",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 199
  },
  "hsl": {
    "h": 250.909,
    "s": 51.931,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5139,
    "c": 0.18005,
    "h": 286.6
  },
  "luminance": 0.12282
}

Semantic roles & 50–950 ramp

primary

#644EC7

secondary

#C9D29F

accent

#DB4CC1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644EC7

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

Preview Lab → · Contrast checker → · Palette generator →