#644CB9#644CB9

#644CB9 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.0% C 0.165 H 289.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#644CB9
RGB	rgb(100, 76, 185)
HSL	hsl(253, 44%, 51%)
HSV	hsv(253, 59%, 73%)
CMYK	cmyk(45.9%, 58.9%, 0%, 27.5%)
CIE-LAB	lab(40.21, 37.15, -54.46)
CIE-LCH	lch(40.21, 65.92, 304.30°)
OKLab	oklab(50.02% 0.0541 -0.1554)
OKLCH	oklch(50.02% 0.165 289.2)
XYZ	xyz(16.5944, 11.3804, 47.2118)
Luminance	0.1138 (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

#644CB9 #A1B94C

analogous

#4C6AB9 #644CB9 #9A4CB9

triadic

#644CB9 #B9644C #4CB964

tetradic

#644CB9 #B94C6A #A1B94C #4CB99A

square

#644CB9 #B94C6A #A1B94C #4CB99A

split-complementary

#644CB9 #B99A4C #6AB94C

monochromatic

#342764 #4B3890 #644CB9 #8A78CA #B0A4DB

Accessibility & contrast

On white

6.41

#644CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#644CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CB9

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CB9	#FFFFFF	#000000	##FFFFFF
##644CB9	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#4A657B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644cb9;
/* rgb */ color: rgb(100, 76, 185);
/* oklch */ color: oklch(50.0% 0.165 289.2);

Tailwind

colors: {
  custom: {
    50: '#967fcf',
    500: '#644cb9',
    950: '#000000',
  },
}

SCSS

$custom: #644cb9;
$custom-light: #967fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#644cb9",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 185
  },
  "hsl": {
    "h": 253.211,
    "s": 43.775,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50015,
    "c": 0.16459,
    "h": 289.2
  },
  "luminance": 0.11381
}

Semantic roles & 50–950 ramp

primary

#644CB9

secondary

#BEC898

accent

#D454B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644CB9

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

Preview Lab → · Contrast checker → · Palette generator →