#644ECD#644ECD

#644ECD is a mid, vivid violet. Relative luminance 0.126; OKLCH L 51.9% C 0.188 H 285.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#644ECD
RGB	rgb(100, 78, 205)
HSL	hsl(250, 56%, 55%)
HSV	hsv(250, 62%, 80%)
CMYK	cmyk(51.2%, 62%, 0%, 19.6%)
CIE-LAB	lab(42.10, 41.90, -63.04)
CIE-LCH	lch(42.10, 75.69, 303.61°)
OKLab	oklab(51.85% 0.051 -0.1807)
OKLCH	oklch(51.85% 0.188 285.8)
XYZ	xyz(18.9961, 12.5649, 59.1701)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ECD #B7CD4E

analogous

#4E77CD #644ECD #A44ECD

triadic

#644ECD #CD644E #4ECD64

tetradic

#644ECD #CD4E77 #B7CD4E #4ECDA4

square

#644ECD #CD4E77 #B7CD4E #4ECDA4

split-complementary

#644ECD #CDA44E #77CD4E

monochromatic

#33237D #4631AD #644ECD #8E7EDA #B8ADE8

Accessibility & contrast

On white

5.98

#644ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#644ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ECD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

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

#0067D1

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#3C6C86

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644ecd;
/* rgb */ color: rgb(100, 78, 205);
/* oklch */ color: oklch(51.9% 0.188 285.8);

Tailwind

colors: {
  custom: {
    50: '#9981dd',
    500: '#644ecd',
    950: '#000000',
  },
}

SCSS

$custom: #644ecd;
$custom-light: #9981dd;
$custom-dark: #000000;

JSON

{
  "hex": "#644ecd",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 205
  },
  "hsl": {
    "h": 250.394,
    "s": 55.947,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51851,
    "c": 0.18773,
    "h": 285.8
  },
  "luminance": 0.12566
}

Semantic roles & 50–950 ramp

primary

#644ECD

secondary

#CDD6A1

accent

#DF49C5

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644ECD

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

Preview Lab → · Contrast checker → · Palette generator →