#644FAA#644FAA

#644FAA is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.5% C 0.140 H 291.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#644FAA
RGB	rgb(100, 79, 170)
HSL	hsl(254, 37%, 49%)
HSV	hsv(254, 54%, 67%)
CMYK	cmyk(41.2%, 53.5%, 0%, 33.3%)
CIE-LAB	lab(39.92, 30.99, -46.08)
CIE-LCH	lch(39.92, 55.53, 303.92°)
OKLab	oklab(49.48% 0.0503 -0.1308)
OKLCH	oklch(49.48% 0.14 291)
XYZ	xyz(15.3052, 11.2031, 39.3784)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FAA #95AA4F

analogous

#4F68AA #644FAA #924FAA

triadic

#644FAA #AA644F #4FAA64

tetradic

#644FAA #AA4F68 #95AA4F #4FAA92

square

#644FAA #AA4F68 #95AA4F #4FAA92

split-complementary

#644FAA #AA924F #68AA4F

monochromatic

#332856 #4B3C80 #644FAA #8777C0 #ACA0D3

Accessibility & contrast

On white

6.48

#644FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#644FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FAA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FAA	#FFFFFF	#000000	##FFFFFF
##644FAA	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AD

Deuteranopia (green-blind)

#295CA8

Tritanopia (blue-blind)

#516275

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644faa;
/* rgb */ color: rgb(100, 79, 170);
/* oklch */ color: oklch(49.5% 0.140 291.0);

Tailwind

colors: {
  custom: {
    50: '#9481c4',
    500: '#644faa',
    950: '#000000',
  },
}

SCSS

$custom: #644faa;
$custom-light: #9481c4;
$custom-dark: #000000;

JSON

{
  "hex": "#644faa",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 170
  },
  "hsl": {
    "h": 253.846,
    "s": 36.546,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49481,
    "c": 0.14014,
    "h": 291
  },
  "luminance": 0.11204
}

Semantic roles & 50–950 ramp

primary

#644FAA

secondary

#B6C095

accent

#CD5BB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FAA

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

Preview Lab → · Contrast checker → · Palette generator →