#566FEA#566FEA

#566FEA is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.9% C 0.187 H 270.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#566FEA
RGB	rgb(86, 111, 234)
HSL	hsl(230, 78%, 63%)
HSV	hsv(230, 63%, 92%)
CMYK	cmyk(63.2%, 52.6%, 0%, 8.2%)
CIE-LAB	lab(51.02, 28.76, -65.12)
CIE-LCH	lch(51.02, 71.19, 293.83°)
OKLab	oklab(58.87% 0.0031 -0.1869)
OKLCH	oklch(58.87% 0.187 270.9)
XYZ	xyz(24.3685, 19.2857, 80.2643)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FEA #EAD156

analogous

#56B9EA #566FEA #8756EA

triadic

#566FEA #EA566F #6FEA56

tetradic

#566FEA #EA56B9 #EAD156 #56EA87

square

#566FEA #EA56B9 #EAD156 #56EA87

split-complementary

#566FEA #EA8756 #B9EA56

monochromatic

#1630B0 #2041E3 #566FEA #8C9DF1 #C3CCF8

Accessibility & contrast

On white

4.32

#566FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#566FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566FEA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FEA	#FFFFFF	#000000	##000000
##566FEA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E80EE

Deuteranopia (green-blind)

#0073E7

Tritanopia (blue-blind)

#008CA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #566fea;
/* rgb */ color: rgb(86, 111, 234);
/* oklch */ color: oklch(58.9% 0.187 270.9);

Tailwind

colors: {
  custom: {
    50: '#9498f1',
    500: '#566fea',
    950: '#000000',
  },
}

SCSS

$custom: #566fea;
$custom-light: #9498f1;
$custom-dark: #000000;

JSON

{
  "hex": "#566fea",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 234
  },
  "hsl": {
    "h": 229.865,
    "s": 77.895,
    "l": 62.745
  },
  "oklch": {
    "l": 0.58865,
    "c": 0.18694,
    "h": 270.9
  },
  "luminance": 0.19288
}

Semantic roles & 50–950 ramp

primary

#566FEA

secondary

#E9E0B3

accent

#B70BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #566FEA

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

Preview Lab → · Contrast checker → · Palette generator →