#644FC0#644FC0

#644FC0 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.0% C 0.170 H 287.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#644FC0
RGB	rgb(100, 79, 192)
HSL	hsl(251, 47%, 53%)
HSV	hsv(251, 59%, 75%)
CMYK	cmyk(47.9%, 58.9%, 0%, 24.7%)
CIE-LAB	lab(41.38, 37.44, -56.66)
CIE-LCH	lch(41.38, 67.91, 303.46°)
OKLab	oklab(51.03% 0.0506 -0.1619)
OKLCH	oklch(51.03% 0.17 287.3)
XYZ	xyz(17.5632, 12.1063, 51.2703)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC0 #ABC04F

analogous

#4F73C0 #644FC0 #9C4FC0

triadic

#644FC0 #C0644F #4FC064

tetradic

#644FC0 #C04F73 #ABC04F #4FC09C

square

#644FC0 #C04F73 #ABC04F #4FC09C

split-complementary

#644FC0 #C09C4F #73C04F

monochromatic

#34276D #4A379A #644FC0 #8C7CD0 #B3A9E0

Accessibility & contrast

On white

6.14

#644FC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#644FC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC0

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC0	#FFFFFF	#000000	##FFFFFF
##644FC0	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)

#0064C4

Deuteranopia (green-blind)

#005FBE

Tritanopia (blue-blind)

#456980

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644fc0;
/* rgb */ color: rgb(100, 79, 192);
/* oklch */ color: oklch(51.0% 0.170 287.3);

Tailwind

colors: {
  custom: {
    50: '#9781d4',
    500: '#644fc0',
    950: '#000000',
  },
}

SCSS

$custom: #644fc0;
$custom-light: #9781d4;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 192
  },
  "hsl": {
    "h": 251.15,
    "s": 47.28,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51031,
    "c": 0.16962,
    "h": 287.3
  },
  "luminance": 0.12107
}

Semantic roles & 50–950 ramp

primary

#644FC0

secondary

#C5CE9D

accent

#D751BE

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644FC0

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

Preview Lab → · Contrast checker → · Palette generator →