#566EEF#566EEF

#566EEF is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.0% C 0.195 H 271.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#566EEF
RGB	rgb(86, 110, 239)
HSL	hsl(231, 83%, 64%)
HSV	hsv(231, 64%, 94%)
CMYK	cmyk(64%, 54%, 0%, 6.3%)
CIE-LAB	lab(51.11, 31.06, -67.78)
CIE-LCH	lch(51.11, 74.56, 294.62°)
OKLab	oklab(59.04% 0.0042 -0.1947)
OKLCH	oklch(59.04% 0.195 271.2)
XYZ	xyz(24.9884, 19.3601, 84.0646)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EEF #EFD756

analogous

#56BAEF #566EEF #8A56EF

triadic

#566EEF #EF566E #6EEF56

tetradic

#566EEF #EF56BA #EFD756 #56EF8A

square

#566EEF #EF56BA #EFD756 #56EF8A

split-complementary

#566EEF #EF8A56 #BAEF56

monochromatic

#122CB9 #1E3EEA #566EEF #8E9EF4 #C6CEFA

Accessibility & contrast

On white

4.31

#566EEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#566EEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566EEF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EEF	#FFFFFF	#000000	##000000
##566EEF	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0581F3

Deuteranopia (green-blind)

#0073EC

Tritanopia (blue-blind)

#008DA4

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #566eef;
/* rgb */ color: rgb(86, 110, 239);
/* oklch */ color: oklch(59.0% 0.195 271.2);

Tailwind

colors: {
  custom: {
    50: '#9597f5',
    500: '#566eef',
    950: '#000000',
  },
}

SCSS

$custom: #566eef;
$custom-light: #9597f5;
$custom-dark: #000000;

JSON

{
  "hex": "#566eef",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 239
  },
  "hsl": {
    "h": 230.588,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.59037,
    "c": 0.1948,
    "h": 271.2
  },
  "luminance": 0.19362
}

Semantic roles & 50–950 ramp

primary

#566EEF

secondary

#EBE3B5

accent

#BD06DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #566EEF

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

Preview Lab → · Contrast checker → · Palette generator →