#644AAD#644AAD

#644AAD is a mid, vivid violet. Relative luminance 0.106; OKLCH L 48.8% C 0.152 H 291.9°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#644AAD
RGB	rgb(100, 74, 173)
HSL	hsl(256, 40%, 48%)
HSV	hsv(256, 57%, 68%)
CMYK	cmyk(42.2%, 57.2%, 0%, 32.2%)
CIE-LAB	lab(38.94, 34.86, -49.44)
CIE-LCH	lch(38.94, 60.49, 305.19°)
OKLab	oklab(48.82% 0.0566 -0.1407)
OKLCH	oklch(48.82% 0.152 291.9)
XYZ	xyz(15.2451, 10.6236, 40.7744)
Luminance	0.1062 (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

#644AAD #93AD4A

analogous

#4A61AD #644AAD #954AAD

triadic

#644AAD #AD644A #4AAD64

tetradic

#644AAD #AD4A61 #93AD4A #4AAD95

square

#644AAD #AD4A61 #93AD4A #4AAD95

split-complementary

#644AAD #AD954A #61AD4A

monochromatic

#322557 #4B3882 #644AAD #8772C3 #AB9DD5

Accessibility & contrast

On white

6.72

#644AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#644AAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AAD

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AAD	#FFFFFF	#000000	##FFFFFF
##644AAD	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125DB0

Deuteranopia (green-blind)

#1A5AAB

Tritanopia (blue-blind)

#505F74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644aad;
/* rgb */ color: rgb(100, 74, 173);
/* oklch */ color: oklch(48.8% 0.152 291.9);

Tailwind

colors: {
  custom: {
    50: '#957dc6',
    500: '#644aad',
    950: '#000000',
  },
}

SCSS

$custom: #644aad;
$custom-light: #957dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#644aad",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 173
  },
  "hsl": {
    "h": 255.758,
    "s": 40.081,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48817,
    "c": 0.15164,
    "h": 291.9
  },
  "luminance": 0.10624
}

Semantic roles & 50–950 ramp

primary

#644AAD

secondary

#B5C191

accent

#D058B0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644AAD

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

Preview Lab → · Contrast checker → · Palette generator →