#644FB6#644FB6

#644FB6 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.3% C 0.156 H 288.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#644FB6
RGB	rgb(100, 79, 182)
HSL	hsl(252, 41%, 51%)
HSV	hsv(252, 57%, 71%)
CMYK	cmyk(45.1%, 56.6%, 0%, 28.6%)
CIE-LAB	lab(40.70, 34.49, -51.91)
CIE-LCH	lch(40.70, 62.32, 303.60°)
OKLab	oklab(50.31% 0.0506 -0.1479)
OKLCH	oklch(50.31% 0.156 288.9)
XYZ	xyz(16.4926, 11.6781, 45.6320)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FB6 #A1B64F

analogous

#4F6DB6 #644FB6 #974FB6

triadic

#644FB6 #B6644F #4FB664

tetradic

#644FB6 #B64F6D #A1B64F #4FB697

square

#644FB6 #B64F6D #A1B64F #4FB697

split-complementary

#644FB6 #B6974F #6DB64F

monochromatic

#342962 #4B3B8D #644FB6 #8A7AC8 #B0A6DA

Accessibility & contrast

On white

6.30

#644FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#644FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FB6

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FB6	#FFFFFF	#000000	##FFFFFF
##644FB6	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1262B9

Deuteranopia (green-blind)

#155DB4

Tritanopia (blue-blind)

#4B667B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644fb6;
/* rgb */ color: rgb(100, 79, 182);
/* oklch */ color: oklch(50.3% 0.156 288.9);

Tailwind

colors: {
  custom: {
    50: '#9681cc',
    500: '#644fb6',
    950: '#000000',
  },
}

SCSS

$custom: #644fb6;
$custom-light: #9681cc;
$custom-dark: #000000;

JSON

{
  "hex": "#644fb6",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 182
  },
  "hsl": {
    "h": 252.233,
    "s": 41.365,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50308,
    "c": 0.15638,
    "h": 288.9
  },
  "luminance": 0.11679
}

Semantic roles & 50–950 ramp

primary

#644FB6

secondary

#BEC79A

accent

#D157B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FB6

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

Preview Lab → · Contrast checker → · Palette generator →