#644DCD#644DCD

#644DCD is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.7% C 0.189 H 286.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#644DCD
RGB	rgb(100, 77, 205)
HSL	hsl(251, 56%, 55%)
HSV	hsv(251, 62%, 80%)
CMYK	cmyk(51.2%, 62.4%, 0%, 19.6%)
CIE-LAB	lab(41.88, 42.48, -63.39)
CIE-LCH	lch(41.88, 76.31, 303.83°)
OKLab	oklab(51.69% 0.052 -0.1817)
OKLCH	oklch(51.69% 0.189 286)
XYZ	xyz(18.9256, 12.4239, 59.1466)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DCD #B6CD4D

analogous

#4D76CD #644DCD #A44DCD

triadic

#644DCD #CD644D #4DCD64

tetradic

#644DCD #CD4D76 #B6CD4D #4DCDA4

square

#644DCD #CD4D76 #B6CD4D #4DCDA4

split-complementary

#644DCD #CDA44D #76CD4D

monochromatic

#33237D #4730AC #644DCD #8E7DDA #B7ADE8

Accessibility & contrast

On white

6.03

#644DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DCD

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DCD	#FFFFFF	#000000	##FFFFFF
##644DCD	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#3C6C86

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644dcd;
/* rgb */ color: rgb(100, 77, 205);
/* oklch */ color: oklch(51.7% 0.189 286.0);

Tailwind

colors: {
  custom: {
    50: '#9980dd',
    500: '#644dcd',
    950: '#000000',
  },
}

SCSS

$custom: #644dcd;
$custom-light: #9980dd;
$custom-dark: #000000;

JSON

{
  "hex": "#644dcd",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 205
  },
  "hsl": {
    "h": 250.781,
    "s": 56.14,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51692,
    "c": 0.18901,
    "h": 286
  },
  "luminance": 0.12425
}

Semantic roles & 50–950 ramp

primary

#644DCD

secondary

#CCD6A0

accent

#DF48C4

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644DCD

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

Preview Lab → · Contrast checker → · Palette generator →