#644FB7#644FB7

#644FB7 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.4% C 0.158 H 288.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#644FB7
RGB	rgb(100, 79, 183)
HSL	hsl(252, 42%, 51%)
HSV	hsv(252, 57%, 72%)
CMYK	cmyk(45.4%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(40.77, 34.78, -52.39)
CIE-LCH	lch(40.77, 62.88, 303.58°)
OKLab	oklab(50.38% 0.0507 -0.1494)
OKLCH	oklch(50.38% 0.158 288.7)
XYZ	xyz(16.5963, 11.7196, 46.1782)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FB7 #A2B74F

analogous

#4F6EB7 #644FB7 #984FB7

triadic

#644FB7 #B7644F #4FB764

tetradic

#644FB7 #B74F6E #A2B74F #4FB798

square

#644FB7 #B74F6E #A2B74F #4FB798

split-complementary

#644FB7 #B7984F #6EB74F

monochromatic

#342963 #4B3A8F #644FB7 #8A7AC9 #B1A6DB

Accessibility & contrast

On white

6.28

#644FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#644FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FB7

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FB7	#FFFFFF	#000000	##FFFFFF
##644FB7	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F62BA

Deuteranopia (green-blind)

#125EB5

Tritanopia (blue-blind)

#4A667B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644fb7;
/* rgb */ color: rgb(100, 79, 183);
/* oklch */ color: oklch(50.4% 0.158 288.7);

Tailwind

colors: {
  custom: {
    50: '#9681cd',
    500: '#644fb7',
    950: '#000000',
  },
}

SCSS

$custom: #644fb7;
$custom-light: #9681cd;
$custom-dark: #000000;

JSON

{
  "hex": "#644fb7",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 252.115,
    "s": 41.935,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50379,
    "c": 0.15771,
    "h": 288.7
  },
  "luminance": 0.1172
}

Semantic roles & 50–950 ramp

primary

#644FB7

secondary

#BFC89A

accent

#D256B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644FB7

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

Preview Lab → · Contrast checker → · Palette generator →