#644EC1#644EC1

#644EC1 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 50.9% C 0.172 H 287.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#644EC1
RGB	rgb(100, 78, 193)
HSL	hsl(251, 48%, 53%)
HSV	hsv(251, 60%, 76%)
CMYK	cmyk(48.2%, 59.6%, 0%, 24.3%)
CIE-LAB	lab(41.23, 38.33, -57.49)
CIE-LCH	lch(41.23, 69.10, 303.69°)
OKLab	oklab(50.94% 0.0516 -0.1644)
OKLCH	oklch(50.94% 0.172 287.4)
XYZ	xyz(17.6028, 12.0076, 51.8319)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EC1 #ABC14E

analogous

#4E71C1 #644EC1 #9D4EC1

triadic

#644EC1 #C1644E #4EC164

tetradic

#644EC1 #C14E71 #ABC14E #4EC19D

square

#644EC1 #C14E71 #ABC14E #4EC19D

split-complementary

#644EC1 #C19D4E #71C14E

monochromatic

#34276E #4A369B #644EC1 #8C7BD1 #B3A9E1

Accessibility & contrast

On white

6.17

#644EC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#644EC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EC1

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EC1	#FFFFFF	#000000	##FFFFFF
##644EC1	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C5

Deuteranopia (green-blind)

#005EBF

Tritanopia (blue-blind)

#456880

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644ec1;
/* rgb */ color: rgb(100, 78, 193);
/* oklch */ color: oklch(50.9% 0.172 287.4);

Tailwind

colors: {
  custom: {
    50: '#9780d4',
    500: '#644ec1',
    950: '#000000',
  },
}

SCSS

$custom: #644ec1;
$custom-light: #9780d4;
$custom-dark: #000000;

JSON

{
  "hex": "#644ec1",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 193
  },
  "hsl": {
    "h": 251.478,
    "s": 48.117,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50938,
    "c": 0.17229,
    "h": 287.4
  },
  "luminance": 0.12008
}

Semantic roles & 50–950 ramp

primary

#644EC1

secondary

#C5CE9D

accent

#D850BE

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644EC1

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

Preview Lab → · Contrast checker → · Palette generator →