#566ECD#566ECD

#566ECD is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.7% C 0.149 H 270.4°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#566ECD
RGB	rgb(86, 110, 205)
HSL	hsl(228, 54%, 57%)
HSV	hsv(228, 58%, 80%)
CMYK	cmyk(58%, 46.3%, 0%, 19.6%)
CIE-LAB	lab(48.93, 19.64, -52.07)
CIE-LCH	lch(48.93, 55.65, 290.67°)
OKLab	oklab(56.69% 0.0011 -0.1485)
OKLCH	oklch(56.69% 0.149 270.4)
XYZ	xyz(20.4295, 17.5365, 60.0541)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566ECD #CDB556

analogous

#56AACD #566ECD #7A56CD

triadic

#566ECD #CD566E #6ECD56

tetradic

#566ECD #CD56AA #CDB556 #56CD7A

square

#566ECD #CD56AA #CDB556 #56CD7A

split-complementary

#566ECD #CD7A56 #AACD56

monochromatic

#263982 #344EB1 #566ECD #8597DB #B4BFE9

Accessibility & contrast

On white

4.66

#566ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#566ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566ECD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566ECD	#FFFFFF	#000000	##FFFFFF
##566ECD	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417AD1

Deuteranopia (green-blind)

#306FCB

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566ecd;
/* rgb */ color: rgb(86, 110, 205);
/* oklch */ color: oklch(56.7% 0.149 270.4);

Tailwind

colors: {
  custom: {
    50: '#8f97dd',
    500: '#566ecd',
    950: '#000000',
  },
}

SCSS

$custom: #566ecd;
$custom-light: #8f97dd;
$custom-dark: #000000;

JSON

{
  "hex": "#566ecd",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 205
  },
  "hsl": {
    "h": 227.899,
    "s": 54.338,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56695,
    "c": 0.14855,
    "h": 270.4
  },
  "luminance": 0.17538
}

Semantic roles & 50–950 ramp

primary

#566ECD

secondary

#D8CEA7

accent

#C04ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566ECD

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

Preview Lab → · Contrast checker → · Palette generator →