#644EC3#644EC3

#644EC3 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.1% C 0.175 H 287.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#644EC3
RGB	rgb(100, 78, 195)
HSL	hsl(251, 49%, 54%)
HSV	hsv(251, 60%, 76%)
CMYK	cmyk(48.7%, 60%, 0%, 23.5%)
CIE-LAB	lab(41.37, 38.92, -58.43)
CIE-LCH	lch(41.37, 70.21, 303.67°)
OKLab	oklab(51.09% 0.0516 -0.1671)
OKLCH	oklch(51.09% 0.175 287.1)
XYZ	xyz(17.8274, 12.0974, 53.0149)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EC3 #ADC34E

analogous

#4E72C3 #644EC3 #9E4EC3

triadic

#644EC3 #C3644E #4EC364

tetradic

#644EC3 #C34E72 #ADC34E #4EC39E

square

#644EC3 #C34E72 #ADC34E #4EC39E

split-complementary

#644EC3 #C39E4E #72C34E

monochromatic

#342670 #49369E #644EC3 #8C7CD2 #B4A9E2

Accessibility & contrast

On white

6.14

#644EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#644EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC3

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC3	#FFFFFF	#000000	##FFFFFF
##644EC3	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#436981

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ec3;
/* rgb */ color: rgb(100, 78, 195);
/* oklch */ color: oklch(51.1% 0.175 287.1);

Tailwind

colors: {
  custom: {
    50: '#9780d6',
    500: '#644ec3',
    950: '#000000',
  },
}

SCSS

$custom: #644ec3;
$custom-light: #9780d6;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec3",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 195
  },
  "hsl": {
    "h": 251.282,
    "s": 49.367,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51088,
    "c": 0.17489,
    "h": 287.1
  },
  "luminance": 0.12098
}

Semantic roles & 50–950 ramp

primary

#644EC3

secondary

#C6CF9D

accent

#D94FBF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644EC3

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

Preview Lab → · Contrast checker → · Palette generator →