#566EDB#566EDB

#566EDB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.6% C 0.168 H 270.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#566EDB
RGB	rgb(86, 110, 219)
HSL	hsl(229, 65%, 60%)
HSV	hsv(229, 61%, 86%)
CMYK	cmyk(60.7%, 49.8%, 0%, 14.1%)
CIE-LAB	lab(49.79, 24.33, -58.65)
CIE-LCH	lch(49.79, 63.50, 292.53°)
OKLab	oklab(57.63% 0.0027 -0.1679)
OKLCH	oklch(57.63% 0.168 270.9)
XYZ	xyz(22.1956, 18.2429, 69.3557)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EDB #DBC356

analogous

#56B0DB #566EDB #8156DB

triadic

#566EDB #DB566E #6EDB56

tetradic

#566EDB #DB56B0 #DBC356 #56DB81

square

#566EDB #DB56B0 #DBC356 #56DB81

split-complementary

#566EDB #DB8156 #B0DB56

monochromatic

#203597 #2B47C9 #566EDB #8899E6 #BBC5F0

Accessibility & contrast

On white

4.52

#566EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#566EDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566EDB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EDB	#FFFFFF	#000000	##000000
##566EDB	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337DDF

Deuteranopia (green-blind)

#1471D9

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566edb;
/* rgb */ color: rgb(86, 110, 219);
/* oklch */ color: oklch(57.6% 0.168 270.9);

Tailwind

colors: {
  custom: {
    50: '#9197e7',
    500: '#566edb',
    950: '#000000',
  },
}

SCSS

$custom: #566edb;
$custom-light: #9197e7;
$custom-dark: #000000;

JSON

{
  "hex": "#566edb",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 219
  },
  "hsl": {
    "h": 229.173,
    "s": 64.878,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57625,
    "c": 0.16793,
    "h": 270.9
  },
  "luminance": 0.18245
}

Semantic roles & 50–950 ramp

primary

#566EDB

secondary

#E0D7AD

accent

#CA40E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566EDB

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

Preview Lab → · Contrast checker → · Palette generator →