#644ACB#644ACB

#644ACB is a mid, vivid violet. Relative luminance 0.119; OKLCH L 51.1% C 0.190 H 286.9°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#644ACB
RGB	rgb(100, 74, 203)
HSL	hsl(252, 55%, 54%)
HSV	hsv(252, 64%, 80%)
CMYK	cmyk(50.7%, 63.5%, 0%, 20.4%)
CIE-LAB	lab(41.09, 43.61, -63.53)
CIE-LCH	lch(41.09, 77.06, 304.47°)
OKLab	oklab(51.07% 0.0552 -0.1821)
OKLCH	oklch(51.07% 0.19 286.9)
XYZ	xyz(18.4806, 11.9178, 57.8149)
Luminance	0.1192 (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

#644ACB #B1CB4A

analogous

#4A71CB #644ACB #A54ACB

triadic

#644ACB #CB644A #4ACB64

tetradic

#644ACB #CB4A71 #B1CB4A #4ACBA5

square

#644ACB #CB4A71 #B1CB4A #4ACBA5

split-complementary

#644ACB #CBA54A #71CB4A

monochromatic

#342378 #4830A8 #644ACB #8D7AD9 #B5A9E6

Accessibility & contrast

On white

6.21

#644ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#644ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ACB

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ACB	#FFFFFF	#000000	##FFFFFF
##644ACB	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#3E6984

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644acb;
/* rgb */ color: rgb(100, 74, 203);
/* oklch */ color: oklch(51.1% 0.190 286.9);

Tailwind

colors: {
  custom: {
    50: '#997edc',
    500: '#644acb',
    950: '#000000',
  },
}

SCSS

$custom: #644acb;
$custom-light: #997edc;
$custom-dark: #000000;

JSON

{
  "hex": "#644acb",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 203
  },
  "hsl": {
    "h": 252.093,
    "s": 55.365,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51065,
    "c": 0.19031,
    "h": 286.9
  },
  "luminance": 0.11919
}

Semantic roles & 50–950 ramp

primary

#644ACB

secondary

#C9D49D

accent

#DF49C1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644ACB

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

Preview Lab → · Contrast checker → · Palette generator →