#644DBC#644DBC

#644DBC is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.4% C 0.167 H 288.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#644DBC
RGB	rgb(100, 77, 188)
HSL	hsl(252, 45%, 52%)
HSV	hsv(252, 59%, 74%)
CMYK	cmyk(46.8%, 59%, 0%, 26.3%)
CIE-LAB	lab(40.65, 37.44, -55.51)
CIE-LCH	lch(40.65, 66.96, 304.00°)
OKLab	oklab(50.4% 0.0529 -0.1585)
OKLCH	oklch(50.4% 0.167 288.5)
XYZ	xyz(16.9839, 11.6472, 48.9205)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DBC #A5BC4D

analogous

#4D6EBC #644DBC #9B4DBC

triadic

#644DBC #BC644D #4DBC64

tetradic

#644DBC #BC4D6E #A5BC4D #4DBC9B

square

#644DBC #BC4D6E #A5BC4D #4DBC9B

split-complementary

#644DBC #BC9B4D #6EBC4D

monochromatic

#342768 #4B3894 #644DBC #8B79CD #B1A6DD

Accessibility & contrast

On white

6.31

#644DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#644DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DBC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DBC	#FFFFFF	#000000	##FFFFFF
##644DBC	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#48667D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644dbc;
/* rgb */ color: rgb(100, 77, 188);
/* oklch */ color: oklch(50.4% 0.167 288.5);

Tailwind

colors: {
  custom: {
    50: '#9680d1',
    500: '#644dbc',
    950: '#000000',
  },
}

SCSS

$custom: #644dbc;
$custom-light: #9680d1;
$custom-dark: #000000;

JSON

{
  "hex": "#644dbc",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 188
  },
  "hsl": {
    "h": 252.432,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50402,
    "c": 0.16713,
    "h": 288.5
  },
  "luminance": 0.11648
}

Semantic roles & 50–950 ramp

primary

#644DBC

secondary

#C1CB9A

accent

#D553BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644DBC

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

Preview Lab → · Contrast checker → · Palette generator →