#644ABB#644ABB

#644ABB is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.8% C 0.170 H 289.3°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#644ABB
RGB	rgb(100, 74, 187)
HSL	hsl(254, 45%, 51%)
HSV	hsv(254, 60%, 73%)
CMYK	cmyk(46.5%, 60.4%, 0%, 26.7%)
CIE-LAB	lab(39.91, 38.91, -56.13)
CIE-LCH	lch(39.91, 68.30, 304.73°)
OKLab	oklab(49.83% 0.0563 -0.1604)
OKLCH	oklch(49.83% 0.17 289.3)
XYZ	xyz(16.6714, 11.1941, 48.2863)
Luminance	0.1119 (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

#644ABB #A1BB4A

analogous

#4A68BB #644ABB #9C4ABB

triadic

#644ABB #BB644A #4ABB64

tetradic

#644ABB #BB4A68 #A1BB4A #4ABB9C

square

#644ABB #BB4A68 #A1BB4A #4ABB9C

split-complementary

#644ABB #BB9C4A #68BB4A

monochromatic

#342665 #4B3791 #644ABB #8A76CC #B0A3DC

Accessibility & contrast

On white

6.48

#644ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#644ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ABB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ABB	#FFFFFF	#000000	##FFFFFF
##644ABB	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#49647B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644abb;
/* rgb */ color: rgb(100, 74, 187);
/* oklch */ color: oklch(49.8% 0.170 289.3);

Tailwind

colors: {
  custom: {
    50: '#977ed0',
    500: '#644abb',
    950: '#000000',
  },
}

SCSS

$custom: #644abb;
$custom-light: #977ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#644abb",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 187
  },
  "hsl": {
    "h": 253.805,
    "s": 45.382,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49834,
    "c": 0.16996,
    "h": 289.3
  },
  "luminance": 0.11195
}

Semantic roles & 50–950 ramp

primary

#644ABB

secondary

#BEC997

accent

#D553B7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644ABB

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

Preview Lab → · Contrast checker → · Palette generator →