#644ECA#644ECA

#644ECA is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.6% C 0.184 H 286.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#644ECA
RGB	rgb(100, 78, 202)
HSL	hsl(251, 54%, 55%)
HSV	hsv(251, 61%, 79%)
CMYK	cmyk(50.5%, 61.4%, 0%, 20.8%)
CIE-LAB	lab(41.88, 41.01, -61.66)
CIE-LCH	lch(41.88, 74.05, 303.62°)
OKLab	oklab(51.62% 0.0512 -0.1766)
OKLCH	oklch(51.62% 0.184 286.2)
XYZ	xyz(18.6374, 12.4215, 57.2812)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ECA #B4CA4E

analogous

#4E76CA #644ECA #A24ECA

triadic

#644ECA #CA644E #4ECA64

tetradic

#644ECA #CA4E76 #B4CA4E #4ECAA2

square

#644ECA #CA4E76 #B4CA4E #4ECAA2

split-complementary

#644ECA #CAA24E #76CA4E

monochromatic

#332479 #4732A8 #644ECA #8D7DD8 #B6ACE6

Accessibility & contrast

On white

6.03

#644ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#644ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ECA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ECA	#FFFFFF	#000000	##FFFFFF
##644ECA	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#3E6B85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644eca;
/* rgb */ color: rgb(100, 78, 202);
/* oklch */ color: oklch(51.6% 0.184 286.2);

Tailwind

colors: {
  custom: {
    50: '#9880db',
    500: '#644eca',
    950: '#000000',
  },
}

SCSS

$custom: #644eca;
$custom-light: #9880db;
$custom-dark: #000000;

JSON

{
  "hex": "#644eca",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 202
  },
  "hsl": {
    "h": 250.645,
    "s": 53.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5162,
    "c": 0.18391,
    "h": 286.2
  },
  "luminance": 0.12422
}

Semantic roles & 50–950 ramp

primary

#644ECA

secondary

#CBD4A0

accent

#DD4BC3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644ECA

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

Preview Lab → · Contrast checker → · Palette generator →