#644DCB#644DCB

#644DCB is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.5% C 0.186 H 286.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#644DCB
RGB	rgb(100, 77, 203)
HSL	hsl(251, 55%, 55%)
HSV	hsv(251, 62%, 80%)
CMYK	cmyk(50.7%, 62.1%, 0%, 20.4%)
CIE-LAB	lab(41.73, 41.88, -62.48)
CIE-LCH	lch(41.73, 75.22, 303.84°)
OKLab	oklab(51.54% 0.0522 -0.179)
OKLCH	oklch(51.54% 0.186 286.2)
XYZ	xyz(18.6857, 12.3280, 57.8833)
Luminance	0.1233 (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

#644DCB #B4CB4D

analogous

#4D75CB #644DCB #A34DCB

triadic

#644DCB #CB644D #4DCB64

tetradic

#644DCB #CB4D75 #B4CB4D #4DCBA3

square

#644DCB #CB4D75 #B4CB4D #4DCBA3

split-complementary

#644DCB #CBA34D #75CB4D

monochromatic

#33247A #4731A9 #644DCB #8D7CD9 #B6ACE7

Accessibility & contrast

On white

6.06

#644DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#644DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DCB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DCB	#FFFFFF	#000000	##FFFFFF
##644DCB	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#3E6B85

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644dcb;
/* rgb */ color: rgb(100, 77, 203);
/* oklch */ color: oklch(51.5% 0.186 286.2);

Tailwind

colors: {
  custom: {
    50: '#9880dc',
    500: '#644dcb',
    950: '#000000',
  },
}

SCSS

$custom: #644dcb;
$custom-light: #9880dc;
$custom-dark: #000000;

JSON

{
  "hex": "#644dcb",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 203
  },
  "hsl": {
    "h": 250.952,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51537,
    "c": 0.18647,
    "h": 286.2
  },
  "luminance": 0.12329
}

Semantic roles & 50–950 ramp

primary

#644DCB

secondary

#CBD49F

accent

#DE4AC3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644DCB

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

Preview Lab → · Contrast checker → · Palette generator →