#644BC1#644BC1

#644BC1 is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.4% C 0.176 H 288.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#644BC1
RGB	rgb(100, 75, 193)
HSL	hsl(253, 49%, 53%)
HSV	hsv(253, 61%, 76%)
CMYK	cmyk(48.2%, 61.1%, 0%, 24.3%)
CIE-LAB	lab(40.56, 40.09, -58.58)
CIE-LCH	lch(40.56, 70.98, 304.39°)
OKLab	oklab(50.45% 0.0549 -0.1676)
OKLCH	oklch(50.45% 0.176 288.1)
XYZ	xyz(17.3945, 11.5910, 51.7625)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BC1 #A8C14B

analogous

#4B6DC1 #644BC1 #9F4BC1

triadic

#644BC1 #C1644B #4BC164

tetradic

#644BC1 #C14B6D #A8C14B #4BC19F

square

#644BC1 #C14B6D #A8C14B #4BC19F

split-complementary

#644BC1 #C19F4B #6DC14B

monochromatic

#34256C #4A359A #644BC1 #8B79D1 #B2A6E0

Accessibility & contrast

On white

6.33

#644BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#644BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BC1

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BC1	#FFFFFF	#000000	##FFFFFF
##644BC1	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C5

Deuteranopia (green-blind)

#005DBF

Tritanopia (blue-blind)

#45667F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644bc1;
/* rgb */ color: rgb(100, 75, 193);
/* oklch */ color: oklch(50.4% 0.176 288.1);

Tailwind

colors: {
  custom: {
    50: '#977ed5',
    500: '#644bc1',
    950: '#000000',
  },
}

SCSS

$custom: #644bc1;
$custom-light: #977ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#644bc1",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 193
  },
  "hsl": {
    "h": 252.712,
    "s": 48.76,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50448,
    "c": 0.17633,
    "h": 288.1
  },
  "luminance": 0.11592
}

Semantic roles & 50–950 ramp

primary

#644BC1

secondary

#C3CE9A

accent

#D84FBB

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644BC1

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

Preview Lab → · Contrast checker → · Palette generator →