#644FB2#644FB2

#644FB2 is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.0% C 0.151 H 289.6°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#644FB2
RGB	rgb(100, 79, 178)
HSL	hsl(253, 39%, 50%)
HSV	hsv(253, 56%, 70%)
CMYK	cmyk(43.8%, 55.6%, 0%, 30.2%)
CIE-LAB	lab(40.43, 33.31, -49.98)
CIE-LCH	lch(40.43, 60.07, 303.68°)
OKLab	oklab(50.03% 0.0506 -0.1423)
OKLCH	oklch(50.03% 0.151 289.6)
XYZ	xyz(16.0851, 11.5151, 43.4860)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FB2 #9DB24F

analogous

#4F6CB2 #644FB2 #954FB2

triadic

#644FB2 #B2644F #4FB264

tetradic

#644FB2 #B24F6C #9DB24F #4FB295

square

#644FB2 #B24F6C #9DB24F #4FB295

split-complementary

#644FB2 #B2954F #6CB24F

monochromatic

#34295E #4C3C88 #644FB2 #897AC5 #AFA4D7

Accessibility & contrast

On white

6.36

#644FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#644FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FB2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FB2	#FFFFFF	#000000	##FFFFFF
##644FB2	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B5

Deuteranopia (green-blind)

#1D5DB0

Tritanopia (blue-blind)

#4D6479

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644fb2;
/* rgb */ color: rgb(100, 79, 178);
/* oklch */ color: oklch(50.0% 0.151 289.6);

Tailwind

colors: {
  custom: {
    50: '#9581ca',
    500: '#644fb2',
    950: '#000000',
  },
}

SCSS

$custom: #644fb2;
$custom-light: #9581ca;
$custom-dark: #000000;

JSON

{
  "hex": "#644fb2",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 178
  },
  "hsl": {
    "h": 252.727,
    "s": 39.13,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50027,
    "c": 0.151,
    "h": 289.6
  },
  "luminance": 0.11516
}

Semantic roles & 50–950 ramp

primary

#644FB2

secondary

#BBC498

accent

#CF59B6

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FB2

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

Preview Lab → · Contrast checker → · Palette generator →