#644FC9#644FC9

#644FC9 is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.7% C 0.181 H 286.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#644FC9
RGB	rgb(100, 79, 201)
HSL	hsl(250, 53%, 55%)
HSV	hsv(250, 61%, 79%)
CMYK	cmyk(50.2%, 60.7%, 0%, 21.2%)
CIE-LAB	lab(42.03, 40.12, -60.84)
CIE-LCH	lch(42.03, 72.88, 303.40°)
OKLab	oklab(51.71% 0.0502 -0.1742)
OKLCH	oklch(51.71% 0.181 286.1)
XYZ	xyz(18.5910, 12.5174, 56.6835)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC9 #B4C94F

analogous

#4F77C9 #644FC9 #A14FC9

triadic

#644FC9 #C9644F #4FC964

tetradic

#644FC9 #C94F77 #B4C94F #4FC9A1

square

#644FC9 #C94F77 #B4C94F #4FC9A1

split-complementary

#644FC9 #C9A14F #77C94F

monochromatic

#332579 #4733A7 #644FC9 #8D7ED7 #B6ADE6

Accessibility & contrast

On white

5.99

#644FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#644FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC9

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC9	#FFFFFF	#000000	##FFFFFF
##644FC9	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CD

Deuteranopia (green-blind)

#0060C6

Tritanopia (blue-blind)

#3F6C84

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644fc9;
/* rgb */ color: rgb(100, 79, 201);
/* oklch */ color: oklch(51.7% 0.181 286.1);

Tailwind

colors: {
  custom: {
    50: '#9881da',
    500: '#644fc9',
    950: '#000000',
  },
}

SCSS

$custom: #644fc9;
$custom-light: #9881da;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 201
  },
  "hsl": {
    "h": 250.328,
    "s": 53.043,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51705,
    "c": 0.18131,
    "h": 286.1
  },
  "luminance": 0.12518
}

Semantic roles & 50–950 ramp

primary

#644FC9

secondary

#CBD4A0

accent

#DC4BC3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644FC9

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

Preview Lab → · Contrast checker → · Palette generator →