#644DBB#644DBB

#644DBB is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.3% C 0.166 H 288.6°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#644DBB
RGB	rgb(100, 77, 187)
HSL	hsl(253, 45%, 52%)
HSV	hsv(253, 59%, 73%)
CMYK	cmyk(46.5%, 58.8%, 0%, 26.7%)
CIE-LAB	lab(40.58, 37.15, -55.04)
CIE-LCH	lch(40.58, 66.40, 304.02°)
OKLab	oklab(50.33% 0.0529 -0.1572)
OKLCH	oklch(50.33% 0.166 288.6)
XYZ	xyz(16.8765, 11.6043, 48.3547)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DBB #A4BB4D

analogous

#4D6DBB #644DBB #9B4DBB

triadic

#644DBB #BB644D #4DBB64

tetradic

#644DBB #BB4D6D #A4BB4D #4DBB9B

square

#644DBB #BB4D6D #A4BB4D #4DBB9B

split-complementary

#644DBB #BB9B4D #6DBB4D

monochromatic

#342766 #4B3893 #644DBB #8B79CC #B1A6DD

Accessibility & contrast

On white

6.32

#644DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#644DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DBB

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DBB	#FFFFFF	#000000	##FFFFFF
##644DBB	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#48667C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644dbb;
/* rgb */ color: rgb(100, 77, 187);
/* oklch */ color: oklch(50.3% 0.166 288.6);

Tailwind

colors: {
  custom: {
    50: '#9680d0',
    500: '#644dbb',
    950: '#000000',
  },
}

SCSS

$custom: #644dbb;
$custom-light: #9680d0;
$custom-dark: #000000;

JSON

{
  "hex": "#644dbb",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 187
  },
  "hsl": {
    "h": 252.545,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50329,
    "c": 0.16582,
    "h": 288.6
  },
  "luminance": 0.11605
}

Semantic roles & 50–950 ramp

primary

#644DBB

secondary

#C0CA9A

accent

#D453B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644DBB

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

Preview Lab → · Contrast checker → · Palette generator →