#644BCA#644BCA

#644BCA is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.188 H 286.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#644BCA
RGB	rgb(100, 75, 202)
HSL	hsl(252, 55%, 54%)
HSV	hsv(252, 63%, 79%)
CMYK	cmyk(50.5%, 62.9%, 0%, 20.8%)
CIE-LAB	lab(41.22, 42.74, -62.73)
CIE-LCH	lch(41.22, 75.90, 304.27°)
OKLab	oklab(51.14% 0.0543 -0.1798)
OKLCH	oklch(51.14% 0.188 286.8)
XYZ	xyz(18.4291, 12.0049, 57.2118)
Luminance	0.1201 (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

#644BCA #B1CA4B

analogous

#4B72CA #644BCA #A44BCA

triadic

#644BCA #CA644B #4BCA64

tetradic

#644BCA #CA4B72 #B1CA4B #4BCAA4

square

#644BCA #CA4B72 #B1CA4B #4BCAA4

split-complementary

#644BCA #CAA44B #72CA4B

monochromatic

#342377 #4831A7 #644BCA #8D7AD8 #B5AAE6

Accessibility & contrast

On white

6.17

#644BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#644BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BCA

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BCA	#FFFFFF	#000000	##FFFFFF
##644BCA	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CE

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#3F6983

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644bca;
/* rgb */ color: rgb(100, 75, 202);
/* oklch */ color: oklch(51.1% 0.188 286.8);

Tailwind

colors: {
  custom: {
    50: '#987edb',
    500: '#644bca',
    950: '#000000',
  },
}

SCSS

$custom: #644bca;
$custom-light: #987edb;
$custom-dark: #000000;

JSON

{
  "hex": "#644bca",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 202
  },
  "hsl": {
    "h": 251.811,
    "s": 54.506,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51142,
    "c": 0.18778,
    "h": 286.8
  },
  "luminance": 0.12006
}

Semantic roles & 50–950 ramp

primary

#644BCA

secondary

#C9D39D

accent

#DE4AC1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644BCA

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

Preview Lab → · Contrast checker → · Palette generator →