#644CC5#644CC5

#644CC5 is a mid, vivid violet. Relative luminance 0.119; OKLCH L 50.9% C 0.180 H 287.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#644CC5
RGB	rgb(100, 76, 197)
HSL	hsl(252, 51%, 54%)
HSV	hsv(252, 61%, 77%)
CMYK	cmyk(49.2%, 61.4%, 0%, 22.7%)
CIE-LAB	lab(41.07, 40.69, -60.08)
CIE-LCH	lch(41.07, 72.56, 304.11°)
OKLab	oklab(50.91% 0.0536 -0.172)
OKLCH	oklch(50.91% 0.18 287.3)
XYZ	xyz(17.9151, 11.9086, 54.1671)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CC5 #ADC54C

analogous

#4C70C5 #644CC5 #A04CC5

triadic

#644CC5 #C5644C #4CC564

tetradic

#644CC5 #C54C70 #ADC54C #4CC5A0

square

#644CC5 #C54C70 #ADC54C #4CC5A0

split-complementary

#644CC5 #C5A04C #70C54C

monochromatic

#342572 #4934A0 #644CC5 #8C7AD4 #B4A8E3

Accessibility & contrast

On white

6.21

#644CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#644CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CC5

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CC5	#FFFFFF	#000000	##FFFFFF
##644CC5	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)

#0064C9

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#426881

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644cc5;
/* rgb */ color: rgb(100, 76, 197);
/* oklch */ color: oklch(50.9% 0.180 287.3);

Tailwind

colors: {
  custom: {
    50: '#987fd7',
    500: '#644cc5',
    950: '#000000',
  },
}

SCSS

$custom: #644cc5;
$custom-light: #987fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#644cc5",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 197
  },
  "hsl": {
    "h": 251.901,
    "s": 51.055,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50914,
    "c": 0.18013,
    "h": 287.3
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#644CC5

secondary

#C6D09C

accent

#DB4DBF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CC5

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

Preview Lab → · Contrast checker → · Palette generator →