#644EC5#644EC5

#644EC5 is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.2% C 0.177 H 286.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#644EC5
RGB	rgb(100, 78, 197)
HSL	hsl(251, 51%, 54%)
HSV	hsv(251, 60%, 77%)
CMYK	cmyk(49.2%, 60.4%, 0%, 22.7%)
CIE-LAB	lab(41.51, 39.52, -59.36)
CIE-LCH	lch(41.51, 71.31, 303.65°)
OKLab	oklab(51.24% 0.0515 -0.1698)
OKLCH	oklch(51.24% 0.177 286.9)
XYZ	xyz(18.0550, 12.1885, 54.2138)
Luminance	0.1219 (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

#644EC5 #AFC54E

analogous

#4E74C5 #644EC5 #9F4EC5

triadic

#644EC5 #C5644E #4EC564

tetradic

#644EC5 #C54E74 #AFC54E #4EC59F

square

#644EC5 #C54E74 #AFC54E #4EC59F

split-complementary

#644EC5 #C59F4E #74C54E

monochromatic

#342673 #4935A1 #644EC5 #8C7CD4 #B5AAE3

Accessibility & contrast

On white

6.11

#644EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#644EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC5

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC5	#FFFFFF	#000000	##FFFFFF
##644EC5	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#426A82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec5;
/* rgb */ color: rgb(100, 78, 197);
/* oklch */ color: oklch(51.2% 0.177 286.9);

Tailwind

colors: {
  custom: {
    50: '#9880d7',
    500: '#644ec5',
    950: '#000000',
  },
}

SCSS

$custom: #644ec5;
$custom-light: #9880d7;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec5",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 197
  },
  "hsl": {
    "h": 251.092,
    "s": 50.638,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51238,
    "c": 0.17748,
    "h": 286.9
  },
  "luminance": 0.12189
}

Semantic roles & 50–950 ramp

primary

#644EC5

secondary

#C7D19E

accent

#DA4EC0

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644EC5

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

Preview Lab → · Contrast checker → · Palette generator →