#644DB4#644DB4

#644DB4 is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.8% C 0.157 H 289.8°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#644DB4
RGB	rgb(100, 77, 180)
HSL	hsl(253, 41%, 50%)
HSV	hsv(253, 57%, 71%)
CMYK	cmyk(44.4%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(40.10, 35.10, -51.70)
CIE-LCH	lch(40.10, 62.49, 304.17°)
OKLab	oklab(49.82% 0.053 -0.1473)
OKLCH	oklch(49.82% 0.157 289.8)
XYZ	xyz(16.1453, 11.3118, 44.5039)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB4 #9DB44D

analogous

#4D69B4 #644DB4 #974DB4

triadic

#644DB4 #B4644D #4DB464

tetradic

#644DB4 #B44D69 #9DB44D #4DB497

square

#644DB4 #B44D69 #9DB44D #4DB497

split-complementary

#644DB4 #B4974D #69B44D

monochromatic

#34285F #4C3A8A #644DB4 #8978C6 #AFA3D8

Accessibility & contrast

On white

6.44

#644DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#644DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB4	#FFFFFF	#000000	##FFFFFF
##644DB4	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D60B7

Deuteranopia (green-blind)

#135CB2

Tritanopia (blue-blind)

#4C6479

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644db4;
/* rgb */ color: rgb(100, 77, 180);
/* oklch */ color: oklch(49.8% 0.157 289.8);

Tailwind

colors: {
  custom: {
    50: '#957fcb',
    500: '#644db4',
    950: '#000000',
  },
}

SCSS

$custom: #644db4;
$custom-light: #957fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#644db4",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 253.398,
    "s": 40.711,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49823,
    "c": 0.15658,
    "h": 289.8
  },
  "luminance": 0.11312
}

Semantic roles & 50–950 ramp

primary

#644DB4

secondary

#BBC597

accent

#D157B5

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DB4

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

Preview Lab → · Contrast checker → · Palette generator →