#644EC6#644EC6

#644EC6 is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.3% C 0.179 H 286.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#644EC6
RGB	rgb(100, 78, 198)
HSL	hsl(251, 51%, 54%)
HSV	hsv(251, 61%, 78%)
CMYK	cmyk(49.5%, 60.6%, 0%, 22.4%)
CIE-LAB	lab(41.59, 39.82, -59.82)
CIE-LCH	lch(41.59, 71.86, 303.65°)
OKLab	oklab(51.31% 0.0514 -0.1712)
OKLCH	oklch(51.31% 0.179 286.7)
XYZ	xyz(18.1700, 12.2345, 54.8192)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EC6 #B0C64E

analogous

#4E74C6 #644EC6 #A04EC6

triadic

#644EC6 #C6644E #4EC664

tetradic

#644EC6 #C64E74 #B0C64E #4EC6A0

square

#644EC6 #C64E74 #B0C64E #4EC6A0

split-complementary

#644EC6 #C6A04E #74C64E

monochromatic

#342574 #4934A2 #644EC6 #8D7CD5 #B5ABE4

Accessibility & contrast

On white

6.09

#644EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#644EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC6

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC6	#FFFFFF	#000000	##FFFFFF
##644EC6	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CA

Deuteranopia (green-blind)

#005FC4

Tritanopia (blue-blind)

#416A82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec6;
/* rgb */ color: rgb(100, 78, 198);
/* oklch */ color: oklch(51.3% 0.179 286.7);

Tailwind

colors: {
  custom: {
    50: '#9880d8',
    500: '#644ec6',
    950: '#000000',
  },
}

SCSS

$custom: #644ec6;
$custom-light: #9880d8;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 198
  },
  "hsl": {
    "h": 251,
    "s": 51.282,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51314,
    "c": 0.17876,
    "h": 286.7
  },
  "luminance": 0.12235
}

Semantic roles & 50–950 ramp

primary

#644EC6

secondary

#C8D19E

accent

#DB4DC1

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644EC6

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

Preview Lab → · Contrast checker → · Palette generator →