#644CCA#644CCA

#644CCA is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.3% C 0.186 H 286.6°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#644CCA
RGB	rgb(100, 76, 202)
HSL	hsl(251, 54%, 55%)
HSV	hsv(251, 62%, 79%)
CMYK	cmyk(50.5%, 62.4%, 0%, 20.8%)
CIE-LAB	lab(41.44, 42.17, -62.37)
CIE-LCH	lch(41.44, 75.29, 304.06°)
OKLab	oklab(51.3% 0.0533 -0.1787)
OKLCH	oklch(51.3% 0.186 286.6)
XYZ	xyz(18.4975, 12.1416, 57.2346)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CCA #B2CA4C

analogous

#4C73CA #644CCA #A34CCA

triadic

#644CCA #CA644C #4CCA64

tetradic

#644CCA #CA4C73 #B2CA4C #4CCAA3

square

#644CCA #CA4C73 #B2CA4C #4CCAA3

split-complementary

#644CCA #CAA34C #73CA4C

monochromatic

#342478 #4832A7 #644CCA #8D7BD8 #B6AAE6

Accessibility & contrast

On white

6.13

#644CCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#644CCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CCA

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CCA	#FFFFFF	#000000	##FFFFFF
##644CCA	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#3E6A84

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644cca;
/* rgb */ color: rgb(100, 76, 202);
/* oklch */ color: oklch(51.3% 0.186 286.6);

Tailwind

colors: {
  custom: {
    50: '#987fdb',
    500: '#644cca',
    950: '#000000',
  },
}

SCSS

$custom: #644cca;
$custom-light: #987fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#644cca",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 202
  },
  "hsl": {
    "h": 251.429,
    "s": 54.31,
    "l": 54.51
  },
  "oklch": {
    "l": 0.513,
    "c": 0.18649,
    "h": 286.6
  },
  "luminance": 0.12142
}

Semantic roles & 50–950 ramp

primary

#644CCA

secondary

#C9D49E

accent

#DE4AC2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644CCA

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

Preview Lab → · Contrast checker → · Palette generator →