#644BC4#644BC4

#644BC4 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.7% C 0.180 H 287.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#644BC4
RGB	rgb(100, 75, 196)
HSL	hsl(252, 51%, 53%)
HSV	hsv(252, 62%, 77%)
CMYK	cmyk(49%, 61.7%, 0%, 23.1%)
CIE-LAB	lab(40.78, 40.97, -59.97)
CIE-LCH	lch(40.78, 72.63, 304.34°)
OKLab	oklab(50.68% 0.0547 -0.1717)
OKLCH	oklch(50.68% 0.18 287.7)
XYZ	xyz(17.7325, 11.7262, 53.5429)
Luminance	0.1173 (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

#644BC4 #ABC44B

analogous

#4B6EC4 #644BC4 #A14BC4

triadic

#644BC4 #C4644B #4BC464

tetradic

#644BC4 #C44B6E #ABC44B #4BC4A1

square

#644BC4 #C44B6E #ABC44B #4BC4A1

split-complementary

#644BC4 #C4A14B #6EC44B

monochromatic

#342570 #4A349E #644BC4 #8C79D3 #B3A7E2

Accessibility & contrast

On white

6.28

#644BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#644BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BC4

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BC4	#FFFFFF	#000000	##FFFFFF
##644BC4	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C8

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#436780

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644bc4;
/* rgb */ color: rgb(100, 75, 196);
/* oklch */ color: oklch(50.7% 0.180 287.7);

Tailwind

colors: {
  custom: {
    50: '#987ed7',
    500: '#644bc4',
    950: '#000000',
  },
}

SCSS

$custom: #644bc4;
$custom-light: #987ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#644bc4",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 196
  },
  "hsl": {
    "h": 252.397,
    "s": 50.628,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50677,
    "c": 0.18017,
    "h": 287.7
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#644BC4

secondary

#C5CF9B

accent

#DA4EBD

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644BC4

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

Preview Lab → · Contrast checker → · Palette generator →