#644BBA#644BBA

#644BBA is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.9% C 0.167 H 289.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#644BBA
RGB	rgb(100, 75, 186)
HSL	hsl(254, 45%, 51%)
HSV	hsv(254, 60%, 73%)
CMYK	cmyk(46.2%, 59.7%, 0%, 27.1%)
CIE-LAB	lab(40.06, 38.04, -55.30)
CIE-LCH	lch(40.06, 67.11, 304.52°)
OKLab	oklab(49.92% 0.0552 -0.1579)
OKLCH	oklch(49.92% 0.167 289.3)
XYZ	xyz(16.6320, 11.2860, 47.7469)
Luminance	0.1129 (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

#644BBA #A1BA4B

analogous

#4B69BA #644BBA #9B4BBA

triadic

#644BBA #BA644B #4BBA64

tetradic

#644BBA #BA4B69 #A1BA4B #4BBA9B

square

#644BBA #BA4B69 #A1BA4B #4BBA9B

split-complementary

#644BBA #BA9B4B #69BA4B

monochromatic

#342664 #4B3790 #644BBA #8A77CB #B0A3DC

Accessibility & contrast

On white

6.45

#644BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#644BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BBA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BBA	#FFFFFF	#000000	##FFFFFF
##644BBA	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#49647B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644bba;
/* rgb */ color: rgb(100, 75, 186);
/* oklch */ color: oklch(49.9% 0.167 289.3);

Tailwind

colors: {
  custom: {
    50: '#967ecf',
    500: '#644bba',
    950: '#000000',
  },
}

SCSS

$custom: #644bba;
$custom-light: #967ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#644bba",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 186
  },
  "hsl": {
    "h": 253.514,
    "s": 44.578,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49923,
    "c": 0.16729,
    "h": 289.3
  },
  "luminance": 0.11287
}

Semantic roles & 50–950 ramp

primary

#644BBA

secondary

#BEC998

accent

#D454B7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644BBA

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

Preview Lab → · Contrast checker → · Palette generator →