#566FE0#566FE0

#566FE0 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.2% C 0.173 H 270.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#566FE0
RGB	rgb(86, 111, 224)
HSL	hsl(229, 69%, 61%)
HSV	hsv(229, 62%, 88%)
CMYK	cmyk(61.6%, 50.4%, 0%, 12.2%)
CIE-LAB	lab(50.37, 25.39, -60.55)
CIE-LCH	lch(50.37, 65.66, 292.75°)
OKLab	oklab(58.16% 0.0023 -0.1735)
OKLCH	oklch(58.16% 0.173 270.7)
XYZ	xyz(22.9722, 18.7272, 72.9107)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FE0 #E0C756

analogous

#56B4E0 #566FE0 #8256E0

triadic

#566FE0 #E0566F #6FE056

tetradic

#566FE0 #E056B4 #E0C756 #56E082

square

#566FE0 #E056B4 #E0C756 #56E082

split-complementary

#566FE0 #E08256 #B4E056

monochromatic

#1D359F #2746D2 #566FE0 #8A9BE9 #BDC7F3

Accessibility & contrast

On white

4.42

#566FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#566FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FE0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FE0	#FFFFFF	#000000	##000000
##566FE0	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7EE4

Deuteranopia (green-blind)

#0472DE

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566fe0;
/* rgb */ color: rgb(86, 111, 224);
/* oklch */ color: oklch(58.2% 0.173 270.7);

Tailwind

colors: {
  custom: {
    50: '#9298ea',
    500: '#566fe0',
    950: '#000000',
  },
}

SCSS

$custom: #566fe0;
$custom-light: #9298ea;
$custom-dark: #000000;

JSON

{
  "hex": "#566fe0",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 224
  },
  "hsl": {
    "h": 229.13,
    "s": 69,
    "l": 60.784
  },
  "oklch": {
    "l": 0.58164,
    "c": 0.17348,
    "h": 270.7
  },
  "luminance": 0.18729
}

Semantic roles & 50–950 ramp

primary

#566FE0

secondary

#E3DAAF

accent

#AF15D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FE0

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

Preview Lab → · Contrast checker → · Palette generator →