#644EE0#644EE0

#644EE0 is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.4% C 0.211 H 283.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#644EE0
RGB	rgb(100, 78, 224)
HSL	hsl(249, 70%, 59%)
HSV	hsv(249, 65%, 88%)
CMYK	cmyk(55.4%, 65.2%, 0%, 12.2%)
CIE-LAB	lab(43.56, 47.58, -71.54)
CIE-LCH	lch(43.56, 85.92, 303.63°)
OKLab	oklab(53.37% 0.0492 -0.2057)
OKLCH	oklch(53.37% 0.211 283.5)
XYZ	xyz(21.4303, 13.5386, 71.9905)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE0 #CAE04E

analogous

#4E81E0 #644EE0 #AD4EE0

triadic

#644EE0 #E0644E #4EE064

tetradic

#644EE0 #E04E81 #CAE04E #4EE0AD

square

#644EE0 #E04E81 #CAE04E #4EE0AD

split-complementary

#644EE0 #E0AD4E #81E04E

monochromatic

#2E1B99 #3D24CD #644EE0 #9282E9 #BFB6F2

Accessibility & contrast

On white

5.66

#644EE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#644EE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE0

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE0	#FFFFFF	#000000	##FFFFFF
##644EE0	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE5

Deuteranopia (green-blind)

#0062DD

Tritanopia (blue-blind)

#287390

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644ee0;
/* rgb */ color: rgb(100, 78, 224);
/* oklch */ color: oklch(53.4% 0.211 283.5);

Tailwind

colors: {
  custom: {
    50: '#9b81eb',
    500: '#644ee0',
    950: '#000000',
  },
}

SCSS

$custom: #644ee0;
$custom-light: #9b81eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee0",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 224
  },
  "hsl": {
    "h": 249.041,
    "s": 70.192,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53372,
    "c": 0.21146,
    "h": 283.5
  },
  "luminance": 0.1354
}

Semantic roles & 50–950 ramp

primary

#644EE0

secondary

#D9E1A8

accent

#ED3BD2

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644EE0

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

Preview Lab → · Contrast checker → · Palette generator →