#566AEF#566AEF

#566AEF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.3% C 0.200 H 272.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#566AEF
RGB	rgb(86, 106, 239)
HSL	hsl(232, 83%, 64%)
HSV	hsv(232, 64%, 94%)
CMYK	cmyk(64%, 55.6%, 0%, 6.3%)
CIE-LAB	lab(50.12, 33.51, -69.38)
CIE-LCH	lch(50.12, 77.05, 295.78°)
OKLab	oklab(58.3% 0.0077 -0.1995)
OKLCH	oklch(58.3% 0.2 272.2)
XYZ	xyz(24.5666, 18.5163, 83.9240)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566AEF #EFDB56

analogous

#56B6EF #566AEF #8E56EF

triadic

#566AEF #EF566A #6AEF56

tetradic

#566AEF #EF56B6 #EFDB56 #56EF8E

square

#566AEF #EF56B6 #EFDB56 #56EF8E

split-complementary

#566AEF #EF8E56 #B6EF56

monochromatic

#1227B9 #1E39EA #566AEF #8E9BF4 #C6CDFA

Accessibility & contrast

On white

4.46

#566AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#566AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566AEF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566AEF	#FFFFFF	#000000	##000000
##566AEF	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EF4

Deuteranopia (green-blind)

#0071EC

Tritanopia (blue-blind)

#008AA2

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #566aef;
/* rgb */ color: rgb(86, 106, 239);
/* oklch */ color: oklch(58.3% 0.200 272.2);

Tailwind

colors: {
  custom: {
    50: '#9594f5',
    500: '#566aef',
    950: '#000000',
  },
}

SCSS

$custom: #566aef;
$custom-light: #9594f5;
$custom-dark: #000000;

JSON

{
  "hex": "#566aef",
  "rgb": {
    "r": 86,
    "g": 106,
    "b": 239
  },
  "hsl": {
    "h": 232.157,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58296,
    "c": 0.19967,
    "h": 272.2
  },
  "luminance": 0.18518
}

Semantic roles & 50–950 ramp

primary

#566AEF

secondary

#EBE4B5

accent

#C306DF

background

#F9F9FF

surface

#F2F1FE

border

#CCCBD6

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #566AEF

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

Preview Lab → · Contrast checker → · Palette generator →