#644DB1#644DB1

#644DB1 is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.6% C 0.153 H 290.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#644DB1
RGB	rgb(100, 77, 177)
HSL	hsl(254, 39%, 50%)
HSV	hsv(254, 56%, 69%)
CMYK	cmyk(43.5%, 56.5%, 0%, 30.6%)
CIE-LAB	lab(39.90, 34.22, -50.25)
CIE-LCH	lch(39.90, 60.80, 304.25°)
OKLab	oklab(49.61% 0.053 -0.1431)
OKLCH	oklch(49.61% 0.153 290.3)
XYZ	xyz(15.8430, 11.1909, 42.9118)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB1 #9AB14D

analogous

#4D68B1 #644DB1 #964DB1

triadic

#644DB1 #B1644D #4DB164

tetradic

#644DB1 #B14D68 #9AB14D #4DB196

square

#644DB1 #B14D68 #9AB14D #4DB196

split-complementary

#644DB1 #B1964D #68B14D

monochromatic

#34285C #4C3A86 #644DB1 #8977C4 #AEA2D6

Accessibility & contrast

On white

6.49

#644DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#644DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB1

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB1	#FFFFFF	#000000	##FFFFFF
##644DB1	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1560B4

Deuteranopia (green-blind)

#1A5CAF

Tritanopia (blue-blind)

#4E6377

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644db1;
/* rgb */ color: rgb(100, 77, 177);
/* oklch */ color: oklch(49.6% 0.153 290.3);

Tailwind

colors: {
  custom: {
    50: '#957fc9',
    500: '#644db1',
    950: '#000000',
  },
}

SCSS

$custom: #644db1;
$custom-light: #957fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#644db1",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 177
  },
  "hsl": {
    "h": 253.8,
    "s": 39.37,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49611,
    "c": 0.15258,
    "h": 290.3
  },
  "luminance": 0.11191
}

Semantic roles & 50–950 ramp

primary

#644DB1

secondary

#B9C496

accent

#CF59B4

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DB1

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

Preview Lab → · Contrast checker → · Palette generator →