#644DCE#644DCE

#644DCE is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.8% C 0.190 H 285.8°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#644DCE
RGB	rgb(100, 77, 206)
HSL	hsl(251, 57%, 55%)
HSV	hsv(251, 63%, 81%)
CMYK	cmyk(51.5%, 62.6%, 0%, 19.2%)
CIE-LAB	lab(41.96, 42.78, -63.85)
CIE-LCH	lch(41.96, 76.85, 303.82°)
OKLab	oklab(51.77% 0.0519 -0.183)
OKLCH	oklch(51.77% 0.19 285.8)
XYZ	xyz(19.0467, 12.4723, 59.7843)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DCE #B7CE4D

analogous

#4D76CE #644DCE #A54DCE

triadic

#644DCE #CE644D #4DCE64

tetradic

#644DCE #CE4D76 #B7CE4D #4DCEA5

square

#644DCE #CE4D76 #B7CE4D #4DCEA5

split-complementary

#644DCE #CEA54D #76CE4D

monochromatic

#33237E #4630AE #644DCE #8E7DDB #B8ADE8

Accessibility & contrast

On white

6.01

#644DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644DCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DCE

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DCE	#FFFFFF	#000000	##FFFFFF
##644DCE	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D2

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#3B6C86

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644dce;
/* rgb */ color: rgb(100, 77, 206);
/* oklch */ color: oklch(51.8% 0.190 285.8);

Tailwind

colors: {
  custom: {
    50: '#9980de',
    500: '#644dce',
    950: '#000000',
  },
}

SCSS

$custom: #644dce;
$custom-light: #9980de;
$custom-dark: #000000;

JSON

{
  "hex": "#644dce",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 206
  },
  "hsl": {
    "h": 250.698,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51771,
    "c": 0.19027,
    "h": 285.8
  },
  "luminance": 0.12473
}

Semantic roles & 50–950 ramp

primary

#644DCE

secondary

#CDD6A1

accent

#E048C5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644DCE

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

Preview Lab → · Contrast checker → · Palette generator →