#644FCA#644FCA

#644FCA is a mid, vivid violet. Relative luminance 0.126; OKLCH L 51.8% C 0.183 H 285.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#644FCA
RGB	rgb(100, 79, 202)
HSL	hsl(250, 54%, 55%)
HSV	hsv(250, 61%, 79%)
CMYK	cmyk(50.5%, 60.9%, 0%, 20.8%)
CIE-LAB	lab(42.10, 40.42, -61.30)
CIE-LCH	lch(42.10, 73.43, 303.40°)
OKLab	oklab(51.78% 0.0502 -0.1756)
OKLCH	oklch(51.78% 0.183 285.9)
XYZ	xyz(18.7090, 12.5646, 57.3051)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FCA #B5CA4F

analogous

#4F77CA #644FCA #A24FCA

triadic

#644FCA #CA644F #4FCA64

tetradic

#644FCA #CA4F77 #B5CA4F #4FCAA2

square

#644FCA #CA4F77 #B5CA4F #4FCAA2

split-complementary

#644FCA #CAA24F #77CA4F

monochromatic

#33257A #4733A9 #644FCA #8D7ED8 #B7ADE6

Accessibility & contrast

On white

5.98

#644FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#644FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FCA

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FCA	#FFFFFF	#000000	##FFFFFF
##644FCA	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#3E6C85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644fca;
/* rgb */ color: rgb(100, 79, 202);
/* oklch */ color: oklch(51.8% 0.183 285.9);

Tailwind

colors: {
  custom: {
    50: '#9881db',
    500: '#644fca',
    950: '#000000',
  },
}

SCSS

$custom: #644fca;
$custom-light: #9881db;
$custom-dark: #000000;

JSON

{
  "hex": "#644fca",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 202
  },
  "hsl": {
    "h": 250.244,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51782,
    "c": 0.1826,
    "h": 285.9
  },
  "luminance": 0.12566
}

Semantic roles & 50–950 ramp

primary

#644FCA

secondary

#CBD4A1

accent

#DD4BC4

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644FCA

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

Preview Lab → · Contrast checker → · Palette generator →