#644CE0#644CE0

#644CE0 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.1% C 0.214 H 283.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#644CE0
RGB	rgb(100, 76, 224)
HSL	hsl(250, 70%, 59%)
HSV	hsv(250, 66%, 88%)
CMYK	cmyk(55.4%, 66.1%, 0%, 12.2%)
CIE-LAB	lab(43.15, 48.70, -72.21)
CIE-LCH	lch(43.15, 87.10, 303.99°)
OKLab	oklab(53.07% 0.0509 -0.2076)
OKLCH	oklch(53.07% 0.214 283.8)
XYZ	xyz(21.2904, 13.2587, 71.9439)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CE0 #C8E04C

analogous

#4C7EE0 #644CE0 #AE4CE0

triadic

#644CE0 #E0644C #4CE064

tetradic

#644CE0 #E04C7E #C8E04C #4CE0AE

square

#644CE0 #E04C7E #C8E04C #4CE0AE

split-complementary

#644CE0 #E0AE4C #7EE04C

monochromatic

#2F1A97 #3F23CC #644CE0 #9180E9 #BEB4F2

Accessibility & contrast

On white

5.75

#644CE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#644CE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE0

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CE0	#FFFFFF	#000000	##FFFFFF
##644CE0	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE5

Deuteranopia (green-blind)

#0061DD

Tritanopia (blue-blind)

#287290

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644ce0;
/* rgb */ color: rgb(100, 76, 224);
/* oklch */ color: oklch(53.1% 0.214 283.8);

Tailwind

colors: {
  custom: {
    50: '#9b80eb',
    500: '#644ce0',
    950: '#000000',
  },
}

SCSS

$custom: #644ce0;
$custom-light: #9b80eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644ce0",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 224
  },
  "hsl": {
    "h": 249.73,
    "s": 70.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53073,
    "c": 0.2138,
    "h": 283.8
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#644CE0

secondary

#D8E1A7

accent

#ED3BD0

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CE0

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

Preview Lab → · Contrast checker → · Palette generator →