#644DA9#644DA9

#644DA9 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.1% C 0.142 H 291.8°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#644DA9
RGB	rgb(100, 77, 169)
HSL	hsl(255, 37%, 48%)
HSV	hsv(255, 54%, 66%)
CMYK	cmyk(40.8%, 54.4%, 0%, 33.7%)
CIE-LAB	lab(39.38, 31.91, -46.35)
CIE-LCH	lch(39.38, 56.27, 304.54°)
OKLab	oklab(49.06% 0.0528 -0.1316)
OKLCH	oklch(49.06% 0.142 291.8)
XYZ	xyz(15.0689, 10.8812, 38.8348)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DA9 #92A94D

analogous

#4D64A9 #644DA9 #924DA9

triadic

#644DA9 #A9644D #4DA964

tetradic

#644DA9 #A94D64 #92A94D #4DA992

square

#644DA9 #A94D64 #92A94D #4DA992

split-complementary

#644DA9 #A9924D #64A94D

monochromatic

#322755 #4B3A7F #644DA9 #8774C0 #AB9ED3

Accessibility & contrast

On white

6.61

#644DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#644DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DA9

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DA9	#FFFFFF	#000000	##FFFFFF
##644DA9	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225EAC

Deuteranopia (green-blind)

#275BA7

Tritanopia (blue-blind)

#526073

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644da9;
/* rgb */ color: rgb(100, 77, 169);
/* oklch */ color: oklch(49.1% 0.142 291.8);

Tailwind

colors: {
  custom: {
    50: '#947fc3',
    500: '#644da9',
    950: '#000000',
  },
}

SCSS

$custom: #644da9;
$custom-light: #947fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#644da9",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 169
  },
  "hsl": {
    "h": 255,
    "s": 37.398,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49059,
    "c": 0.1418,
    "h": 291.8
  },
  "luminance": 0.10882
}

Semantic roles & 50–950 ramp

primary

#644DA9

secondary

#B4BF92

accent

#CD5AB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A12

muted

#7E7C81

Preview Lab

Preview with #644DA9

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

Preview Lab → · Contrast checker → · Palette generator →