#566DCE#566DCE

#566DCE is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.151 H 270.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#566DCE
RGB	rgb(86, 109, 206)
HSL	hsl(229, 55%, 57%)
HSV	hsv(229, 58%, 81%)
CMYK	cmyk(58.3%, 47.1%, 0%, 19.2%)
CIE-LAB	lab(48.72, 20.60, -52.97)
CIE-LCH	lch(48.72, 56.84, 291.25°)
OKLab	oklab(56.56% 0.0023 -0.1512)
OKLCH	oklch(56.56% 0.151 270.9)
XYZ	xyz(20.4433, 17.3703, 60.6561)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DCE #CEB756

analogous

#56A9CE #566DCE #7B56CE

triadic

#566DCE #CE566D #6DCE56

tetradic

#566DCE #CE56A9 #CEB756 #56CE7B

square

#566DCE #CE56A9 #CEB756 #56CE7B

split-complementary

#566DCE #CE7B56 #A9CE56

monochromatic

#263883 #344CB3 #566DCE #8596DC #B5BFEA

Accessibility & contrast

On white

4.69

#566DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#566DCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566DCE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DCE	#FFFFFF	#000000	##FFFFFF
##566DCE	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E79D2

Deuteranopia (green-blind)

#2C6FCC

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566dce;
/* rgb */ color: rgb(86, 109, 206);
/* oklch */ color: oklch(56.6% 0.151 270.9);

Tailwind

colors: {
  custom: {
    50: '#8f96dd',
    500: '#566dce',
    950: '#000000',
  },
}

SCSS

$custom: #566dce;
$custom-light: #8f96dd;
$custom-dark: #000000;

JSON

{
  "hex": "#566dce",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 206
  },
  "hsl": {
    "h": 228.5,
    "s": 55.046,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56558,
    "c": 0.15123,
    "h": 270.9
  },
  "luminance": 0.17372
}

Semantic roles & 50–950 ramp

primary

#566DCE

secondary

#D8CFA8

accent

#C249DE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566DCE

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

Preview Lab → · Contrast checker → · Palette generator →