#644DC5#644DC5

#644DC5 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.179 H 287.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#644DC5
RGB	rgb(100, 77, 197)
HSL	hsl(252, 51%, 54%)
HSV	hsv(252, 61%, 77%)
CMYK	cmyk(49.2%, 60.9%, 0%, 22.7%)
CIE-LAB	lab(41.29, 40.10, -59.72)
CIE-LCH	lch(41.29, 71.93, 303.88°)
OKLab	oklab(51.08% 0.0525 -0.1709)
OKLCH	oklch(51.08% 0.179 287.1)
XYZ	xyz(17.9845, 12.0475, 54.1903)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DC5 #AEC54D

analogous

#4D72C5 #644DC5 #A04DC5

triadic

#644DC5 #C5644D #4DC564

tetradic

#644DC5 #C54D72 #AEC54D #4DC5A0

square

#644DC5 #C54D72 #AEC54D #4DC5A0

split-complementary

#644DC5 #C5A04D #72C54D

monochromatic

#342572 #4934A0 #644DC5 #8C7BD4 #B4A9E3

Accessibility & contrast

On white

6.16

#644DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DC5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DC5	#FFFFFF	#000000	##FFFFFF
##644DC5	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C9

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#426982

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644dc5;
/* rgb */ color: rgb(100, 77, 197);
/* oklch */ color: oklch(51.1% 0.179 287.1);

Tailwind

colors: {
  custom: {
    50: '#9880d7',
    500: '#644dc5',
    950: '#000000',
  },
}

SCSS

$custom: #644dc5;
$custom-light: #9880d7;
$custom-dark: #000000;

JSON

{
  "hex": "#644dc5",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 197
  },
  "hsl": {
    "h": 251.5,
    "s": 50.847,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51075,
    "c": 0.1788,
    "h": 287.1
  },
  "luminance": 0.12048
}

Semantic roles & 50–950 ramp

primary

#644DC5

secondary

#C7D19D

accent

#DA4DBF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644DC5

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

Preview Lab → · Contrast checker → · Palette generator →