#644CC0#644CC0

#644CC0 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.5% C 0.174 H 288.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#644CC0
RGB	rgb(100, 76, 192)
HSL	hsl(252, 48%, 53%)
HSV	hsv(252, 60%, 75%)
CMYK	cmyk(47.9%, 60.4%, 0%, 24.7%)
CIE-LAB	lab(40.71, 39.21, -57.75)
CIE-LCH	lch(40.71, 69.81, 304.17°)
OKLab	oklab(50.54% 0.0539 -0.1651)
OKLCH	oklch(50.54% 0.174 288.1)
XYZ	xyz(17.3517, 11.6832, 51.1998)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CC0 #A8C04C

analogous

#4C6EC0 #644CC0 #9E4CC0

triadic

#644CC0 #C0644C #4CC064

tetradic

#644CC0 #C04C6E #A8C04C #4CC09E

square

#644CC0 #C04C6E #A8C04C #4CC09E

split-complementary

#644CC0 #C09E4C #6EC04C

monochromatic

#34266C #4A3699 #644CC0 #8B79D0 #B2A7E0

Accessibility & contrast

On white

6.29

#644CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#644CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC0

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC0	#FFFFFF	#000000	##FFFFFF
##644CC0	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C4

Deuteranopia (green-blind)

#005DBE

Tritanopia (blue-blind)

#45677F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644cc0;
/* rgb */ color: rgb(100, 76, 192);
/* oklch */ color: oklch(50.5% 0.174 288.1);

Tailwind

colors: {
  custom: {
    50: '#977fd4',
    500: '#644cc0',
    950: '#000000',
  },
}

SCSS

$custom: #644cc0;
$custom-light: #977fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc0",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 192
  },
  "hsl": {
    "h": 252.414,
    "s": 47.934,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50535,
    "c": 0.1737,
    "h": 288.1
  },
  "luminance": 0.11684
}

Semantic roles & 50–950 ramp

primary

#644CC0

secondary

#C3CD9B

accent

#D850BC

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CC0

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

Preview Lab → · Contrast checker → · Palette generator →