#644DCF#644DCF

#644DCF is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.8% C 0.192 H 285.7°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#644DCF
RGB	rgb(100, 77, 207)
HSL	hsl(251, 58%, 56%)
HSV	hsv(251, 63%, 81%)
CMYK	cmyk(51.7%, 62.8%, 0%, 18.8%)
CIE-LAB	lab(42.03, 43.07, -64.30)
CIE-LCH	lch(42.03, 77.39, 303.82°)
OKLab	oklab(51.85% 0.0518 -0.1844)
OKLCH	oklch(51.85% 0.192 285.7)
XYZ	xyz(19.1685, 12.5211, 60.4262)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DCF #B8CF4D

analogous

#4D77CF #644DCF #A54DCF

triadic

#644DCF #CF644D #4DCF64

tetradic

#644DCF #CF4D77 #B8CF4D #4DCFA5

square

#644DCF #CF4D77 #B8CF4D #4DCFA5

split-complementary

#644DCF #CFA54D #77CF4D

monochromatic

#33227F #462FAF #644DCF #8E7DDC #B8ADE9

Accessibility & contrast

On white

5.99

#644DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#644DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DCF

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DCF	#FFFFFF	#000000	##FFFFFF
##644DCF	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)

#0067D3

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#3A6C87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644dcf;
/* rgb */ color: rgb(100, 77, 207);
/* oklch */ color: oklch(51.8% 0.192 285.7);

Tailwind

colors: {
  custom: {
    50: '#9980df',
    500: '#644dcf',
    950: '#000000',
  },
}

SCSS

$custom: #644dcf;
$custom-light: #9980df;
$custom-dark: #000000;

JSON

{
  "hex": "#644dcf",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 207
  },
  "hsl": {
    "h": 250.615,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51849,
    "c": 0.19154,
    "h": 285.7
  },
  "luminance": 0.12522
}

Semantic roles & 50–950 ramp

primary

#644DCF

secondary

#CDD7A1

accent

#E147C6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644DCF

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

Preview Lab → · Contrast checker → · Palette generator →