#5664DD#5664DD

#5664DD is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.9% C 0.183 H 273.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5664DD
RGB	rgb(86, 100, 221)
HSL	hsl(234, 67%, 60%)
HSV	hsv(234, 61%, 87%)
CMYK	cmyk(61.1%, 54.8%, 0%, 13.3%)
CIE-LAB	lab(47.38, 31.18, -63.67)
CIE-LCH	lch(47.38, 70.90, 296.09°)
OKLab	oklab(55.85% 0.0125 -0.1828)
OKLCH	oklch(55.85% 0.183 273.9)
XYZ	xyz(21.4418, 16.3115, 70.4111)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5664DD #DDCF56

analogous

#56A7DD #5664DD #8C56DD

triadic

#5664DD #DD5664 #64DD56

tetradic

#5664DD #DD56A7 #DDCF56 #56DD8C

square

#5664DD #DD56A7 #DDCF56 #56DD8C

split-complementary

#5664DD #DD8C56 #A7DD56

monochromatic

#1F2C9A #293ACD #5664DD #8993E7 #BCC1F2

Accessibility & contrast

On white

4.93

#5664DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#5664DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5664DD

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5664DD	#FFFFFF	#000000	##FFFFFF
##5664DD	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0176E1

Deuteranopia (green-blind)

#006BDB

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5664dd;
/* rgb */ color: rgb(86, 100, 221);
/* oklch */ color: oklch(55.9% 0.183 273.9);

Tailwind

colors: {
  custom: {
    50: '#9290e8',
    500: '#5664dd',
    950: '#000000',
  },
}

SCSS

$custom: #5664dd;
$custom-light: #9290e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5664dd",
  "rgb": {
    "r": 86,
    "g": 100,
    "b": 221
  },
  "hsl": {
    "h": 233.778,
    "s": 66.502,
    "l": 60.196
  },
  "oklch": {
    "l": 0.55854,
    "c": 0.18322,
    "h": 273.9
  },
  "luminance": 0.16313
}

Semantic roles & 50–950 ramp

primary

#5664DD

secondary

#E1DCAE

accent

#BB17CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5664DD

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

Preview Lab → · Contrast checker → · Palette generator →