#566FE1#566FE1

#566FE1 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.175 H 270.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#566FE1
RGB	rgb(86, 111, 225)
HSL	hsl(229, 70%, 61%)
HSV	hsv(229, 62%, 88%)
CMYK	cmyk(61.8%, 50.7%, 0%, 11.8%)
CIE-LAB	lab(50.43, 25.73, -61.01)
CIE-LCH	lch(50.43, 66.21, 292.86°)
OKLab	oklab(58.23% 0.0024 -0.1748)
OKLCH	oklch(58.23% 0.175 270.8)
XYZ	xyz(23.1082, 18.7816, 73.6270)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FE1 #E1C856

analogous

#56B4E1 #566FE1 #8256E1

triadic

#566FE1 #E1566F #6FE156

tetradic

#566FE1 #E156B4 #E1C856 #56E182

square

#566FE1 #E156B4 #E1C856 #56E182

split-complementary

#566FE1 #E18256 #B4E156

monochromatic

#1C34A0 #2645D4 #566FE1 #8A9BEA #BEC8F3

Accessibility & contrast

On white

4.41

#566FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#566FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FE1

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FE1	#FFFFFF	#000000	##000000
##566FE1	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7EE5

Deuteranopia (green-blind)

#0072DF

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566fe1;
/* rgb */ color: rgb(86, 111, 225);
/* oklch */ color: oklch(58.2% 0.175 270.8);

Tailwind

colors: {
  custom: {
    50: '#9298eb',
    500: '#566fe1',
    950: '#000000',
  },
}

SCSS

$custom: #566fe1;
$custom-light: #9298eb;
$custom-dark: #000000;

JSON

{
  "hex": "#566fe1",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 225
  },
  "hsl": {
    "h": 229.209,
    "s": 69.849,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58233,
    "c": 0.17485,
    "h": 270.8
  },
  "luminance": 0.18784
}

Semantic roles & 50–950 ramp

primary

#566FE1

secondary

#E4DAAF

accent

#B014D2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566FE1

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

Preview Lab → · Contrast checker → · Palette generator →