#644FAD#644FAD

#644FAD is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.7% C 0.144 H 290.5°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#644FAD
RGB	rgb(100, 79, 173)
HSL	hsl(253, 37%, 49%)
HSV	hsv(253, 54%, 68%)
CMYK	cmyk(42.2%, 54.3%, 0%, 32.2%)
CIE-LAB	lab(40.11, 31.86, -47.55)
CIE-LCH	lch(40.11, 57.24, 303.82°)
OKLab	oklab(49.68% 0.0504 -0.1351)
OKLCH	oklch(49.68% 0.144 290.5)
XYZ	xyz(15.5923, 11.3179, 40.8901)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FAD #98AD4F

analogous

#4F69AD #644FAD #934FAD

triadic

#644FAD #AD644F #4FAD64

tetradic

#644FAD #AD4F69 #98AD4F #4FAD93

square

#644FAD #AD4F69 #98AD4F #4FAD93

split-complementary

#644FAD #AD934F #69AD4F

monochromatic

#332959 #4C3C83 #644FAD #8878C1 #ADA2D4

Accessibility & contrast

On white

6.43

#644FAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#644FAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FAD

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FAD	#FFFFFF	#000000	##FFFFFF
##644FAD	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2260B0

Deuteranopia (green-blind)

#255CAB

Tritanopia (blue-blind)

#506376

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644fad;
/* rgb */ color: rgb(100, 79, 173);
/* oklch */ color: oklch(49.7% 0.144 290.5);

Tailwind

colors: {
  custom: {
    50: '#9581c6',
    500: '#644fad',
    950: '#000000',
  },
}

SCSS

$custom: #644fad;
$custom-light: #9581c6;
$custom-dark: #000000;

JSON

{
  "hex": "#644fad",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 173
  },
  "hsl": {
    "h": 253.404,
    "s": 37.302,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.14424,
    "h": 290.5
  },
  "luminance": 0.11318
}

Semantic roles & 50–950 ramp

primary

#644FAD

secondary

#B8C296

accent

#CD5BB4

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FAD

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

Preview Lab → · Contrast checker → · Palette generator →