#644FBA#644FBA

#644FBA is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.6% C 0.162 H 288.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#644FBA
RGB	rgb(100, 79, 186)
HSL	hsl(252, 44%, 52%)
HSV	hsv(252, 58%, 73%)
CMYK	cmyk(46.2%, 57.5%, 0%, 27.1%)
CIE-LAB	lab(40.97, 35.67, -53.82)
CIE-LCH	lch(40.97, 64.57, 303.53°)
OKLab	oklab(50.59% 0.0507 -0.1536)
OKLCH	oklch(50.59% 0.162 288.3)
XYZ	xyz(16.9119, 11.8458, 47.8402)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FBA #A5BA4F

analogous

#4F70BA #644FBA #9A4FBA

triadic

#644FBA #BA644F #4FBA64

tetradic

#644FBA #BA4F70 #A5BA4F #4FBA9A

square

#644FBA #BA4F70 #A5BA4F #4FBA9A

split-complementary

#644FBA #BA9A4F #70BA4F

monochromatic

#342866 #4B3992 #644FBA #8B7BCB #B1A7DC

Accessibility & contrast

On white

6.23

#644FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#644FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FBA

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FBA	#FFFFFF	#000000	##FFFFFF
##644FBA	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0463BE

Deuteranopia (green-blind)

#075EB8

Tritanopia (blue-blind)

#49677D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644fba;
/* rgb */ color: rgb(100, 79, 186);
/* oklch */ color: oklch(50.6% 0.162 288.3);

Tailwind

colors: {
  custom: {
    50: '#9681cf',
    500: '#644fba',
    950: '#000000',
  },
}

SCSS

$custom: #644fba;
$custom-light: #9681cf;
$custom-dark: #000000;

JSON

{
  "hex": "#644fba",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 186
  },
  "hsl": {
    "h": 251.776,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50594,
    "c": 0.16171,
    "h": 288.3
  },
  "luminance": 0.11846
}

Semantic roles & 50–950 ramp

primary

#644FBA

secondary

#C1CA9B

accent

#D354BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644FBA

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

Preview Lab → · Contrast checker → · Palette generator →