#644AC0#644AC0

#644AC0 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.2% C 0.176 H 288.5°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#644AC0
RGB	rgb(100, 74, 192)
HSL	hsl(253, 48%, 52%)
HSV	hsv(253, 61%, 75%)
CMYK	cmyk(47.9%, 61.5%, 0%, 24.7%)
CIE-LAB	lab(40.27, 40.38, -58.47)
CIE-LCH	lch(40.27, 71.06, 304.63°)
OKLab	oklab(50.21% 0.056 -0.1672)
OKLCH	oklch(50.21% 0.176 288.5)
XYZ	xyz(17.2160, 11.4119, 51.1546)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AC0 #A6C04A

analogous

#4A6BC0 #644AC0 #9F4AC0

triadic

#644AC0 #C0644A #4AC064

tetradic

#644AC0 #C04A6B #A6C04A #4AC09F

square

#644AC0 #C04A6B #A6C04A #4AC09F

split-complementary

#644AC0 #C09F4A #6BC04A

monochromatic

#34256B #4B3598 #644AC0 #8B77D0 #B2A5E0

Accessibility & contrast

On white

6.40

#644AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#644AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AC0

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AC0	#FFFFFF	#000000	##FFFFFF
##644AC0	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C4

Deuteranopia (green-blind)

#005CBE

Tritanopia (blue-blind)

#46667E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644ac0;
/* rgb */ color: rgb(100, 74, 192);
/* oklch */ color: oklch(50.2% 0.176 288.5);

Tailwind

colors: {
  custom: {
    50: '#977ed4',
    500: '#644ac0',
    950: '#000000',
  },
}

SCSS

$custom: #644ac0;
$custom-light: #977ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#644ac0",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 192
  },
  "hsl": {
    "h": 253.22,
    "s": 48.361,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50211,
    "c": 0.17639,
    "h": 288.5
  },
  "luminance": 0.11413
}

Semantic roles & 50–950 ramp

primary

#644AC0

secondary

#C1CD99

accent

#D850BA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644AC0

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

Preview Lab → · Contrast checker → · Palette generator →