#644DAC#644DAC

#644DAC is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.3% C 0.146 H 291.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#644DAC
RGB	rgb(100, 77, 172)
HSL	hsl(255, 38%, 49%)
HSV	hsv(255, 55%, 67%)
CMYK	cmyk(41.9%, 55.2%, 0%, 32.5%)
CIE-LAB	lab(39.57, 32.77, -47.82)
CIE-LCH	lch(39.57, 57.98, 304.42°)
OKLab	oklab(49.26% 0.0529 -0.1359)
OKLCH	oklch(49.26% 0.146 291.3)
XYZ	xyz(15.3538, 10.9952, 40.3350)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DAC #95AC4D

analogous

#4D66AC #644DAC #944DAC

triadic

#644DAC #AC644D #4DAC64

tetradic

#644DAC #AC4D66 #95AC4D #4DAC94

square

#644DAC #AC4D66 #95AC4D #4DAC94

split-complementary

#644DAC #AC944D #66AC4D

monochromatic

#332757 #4B3A82 #644DAC #8775C1 #AC9FD4

Accessibility & contrast

On white

6.56

#644DAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#644DAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DAC

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DAC	#FFFFFF	#000000	##FFFFFF
##644DAC	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5FAF

Deuteranopia (green-blind)

#235BAA

Tritanopia (blue-blind)

#506175

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644dac;
/* rgb */ color: rgb(100, 77, 172);
/* oklch */ color: oklch(49.3% 0.146 291.3);

Tailwind

colors: {
  custom: {
    50: '#957fc5',
    500: '#644dac',
    950: '#000000',
  },
}

SCSS

$custom: #644dac;
$custom-light: #957fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#644dac",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 172
  },
  "hsl": {
    "h": 254.526,
    "s": 38.153,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49263,
    "c": 0.14586,
    "h": 291.3
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#644DAC

secondary

#B6C194

accent

#CE5AB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DAC

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

Preview Lab → · Contrast checker → · Palette generator →