#644BAD#644BAD

#644BAD is a mid, vivid violet. Relative luminance 0.108; OKLCH L 49.0% C 0.150 H 291.6°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#644BAD
RGB	rgb(100, 75, 173)
HSL	hsl(255, 40%, 49%)
HSV	hsv(255, 57%, 68%)
CMYK	cmyk(42.2%, 56.6%, 0%, 32.2%)
CIE-LAB	lab(39.17, 34.26, -49.06)
CIE-LCH	lch(39.17, 59.84, 304.93°)
OKLab	oklab(48.99% 0.0554 -0.1396)
OKLCH	oklch(48.99% 0.15 291.6)
XYZ	xyz(15.3124, 10.7582, 40.7968)
Luminance	0.1076 (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

#644BAD #94AD4B

analogous

#4B63AD #644BAD #954BAD

triadic

#644BAD #AD644B #4BAD64

tetradic

#644BAD #AD4B63 #94AD4B #4BAD95

square

#644BAD #AD4B63 #94AD4B #4BAD95

split-complementary

#644BAD #AD954B #63AD4B

monochromatic

#332658 #4B3882 #644BAD #8773C2 #AC9ED5

Accessibility & contrast

On white

6.66

#644BAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#644BAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BAD

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BAD	#FFFFFF	#000000	##FFFFFF
##644BAD	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165EB0

Deuteranopia (green-blind)

#1D5AAB

Tritanopia (blue-blind)

#506074

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644bad;
/* rgb */ color: rgb(100, 75, 173);
/* oklch */ color: oklch(49.0% 0.150 291.6);

Tailwind

colors: {
  custom: {
    50: '#957ec6',
    500: '#644bad',
    950: '#000000',
  },
}

SCSS

$custom: #644bad;
$custom-light: #957ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#644bad",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 173
  },
  "hsl": {
    "h": 255.306,
    "s": 39.516,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48987,
    "c": 0.15017,
    "h": 291.6
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#644BAD

secondary

#B5C192

accent

#CF58B1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644BAD

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

Preview Lab → · Contrast checker → · Palette generator →