#644AB3#644AB3

#644AB3 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.2% C 0.160 H 290.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#644AB3
RGB	rgb(100, 74, 179)
HSL	hsl(255, 42%, 50%)
HSV	hsv(255, 59%, 70%)
CMYK	cmyk(44.1%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(39.35, 36.59, -52.33)
CIE-LCH	lch(39.35, 63.85, 304.96°)
OKLab	oklab(49.25% 0.0566 -0.1492)
OKLCH	oklch(49.25% 0.16 290.8)
XYZ	xyz(15.8387, 10.8610, 43.9009)
Luminance	0.1086 (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

#644AB3 #99B34A

analogous

#4A65B3 #644AB3 #994AB3

triadic

#644AB3 #B3644A #4AB364

tetradic

#644AB3 #B34A65 #99B34A #4AB399

square

#644AB3 #B34A65 #99B34A #4AB399

split-complementary

#644AB3 #B3994A #65B34A

monochromatic

#34265C #4C3888 #644AB3 #8974C6 #AEA0D8

Accessibility & contrast

On white

6.62

#644AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#644AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AB3

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AB3	#FFFFFF	#000000	##FFFFFF
##644AB3	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0A5AB1

Tritanopia (blue-blind)

#4D6177

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ab3;
/* rgb */ color: rgb(100, 74, 179);
/* oklch */ color: oklch(49.2% 0.160 290.8);

Tailwind

colors: {
  custom: {
    50: '#967dca',
    500: '#644ab3',
    950: '#000000',
  },
}

SCSS

$custom: #644ab3;
$custom-light: #967dca;
$custom-dark: #000000;

JSON

{
  "hex": "#644ab3",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 254.857,
    "s": 41.502,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49245,
    "c": 0.15955,
    "h": 290.8
  },
  "luminance": 0.10862
}

Semantic roles & 50–950 ramp

primary

#644AB3

secondary

#B9C494

accent

#D156B3

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644AB3

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

Preview Lab → · Contrast checker → · Palette generator →