#566DCD#566DCD

#566DCD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.5% C 0.150 H 270.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#566DCD
RGB	rgb(86, 109, 205)
HSL	hsl(228, 54%, 57%)
HSV	hsv(228, 58%, 80%)
CMYK	cmyk(58%, 46.8%, 0%, 19.6%)
CIE-LAB	lab(48.66, 20.26, -52.50)
CIE-LCH	lch(48.66, 56.27, 291.11°)
OKLab	oklab(56.49% 0.0021 -0.1498)
OKLCH	oklch(56.49% 0.15 270.8)
XYZ	xyz(20.3222, 17.3219, 60.0183)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DCD #CDB656

analogous

#56A9CD #566DCD #7A56CD

triadic

#566DCD #CD566D #6DCD56

tetradic

#566DCD #CD56A9 #CDB656 #56CD7A

square

#566DCD #CD56A9 #CDB656 #56CD7A

split-complementary

#566DCD #CD7A56 #A9CD56

monochromatic

#263882 #344DB1 #566DCD #8596DB #B4BFE9

Accessibility & contrast

On white

4.70

#566DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#566DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566DCD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DCD	#FFFFFF	#000000	##FFFFFF
##566DCD	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F79D1

Deuteranopia (green-blind)

#2D6FCB

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566dcd;
/* rgb */ color: rgb(86, 109, 205);
/* oklch */ color: oklch(56.5% 0.150 270.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#566dcd",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 205
  },
  "hsl": {
    "h": 228.403,
    "s": 54.338,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56492,
    "c": 0.14983,
    "h": 270.8
  },
  "luminance": 0.17323
}

Semantic roles & 50–950 ramp

primary

#566DCD

secondary

#D8CEA7

accent

#C14ADE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566DCD

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

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