#566BCE#566BCE

#566BCE is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.2% C 0.154 H 271.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#566BCE
RGB	rgb(86, 107, 206)
HSL	hsl(230, 55%, 57%)
HSV	hsv(230, 58%, 81%)
CMYK	cmyk(58.3%, 48.1%, 0%, 19.2%)
CIE-LAB	lab(48.20, 21.84, -53.82)
CIE-LCH	lch(48.20, 58.08, 292.09°)
OKLab	oklab(56.16% 0.0044 -0.1537)
OKLCH	oklch(56.16% 0.154 271.6)
XYZ	xyz(20.2323, 16.9485, 60.5858)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BCE #CEB956

analogous

#56A7CE #566BCE #7D56CE

triadic

#566BCE #CE566B #6BCE56

tetradic

#566BCE #CE56A7 #CEB956 #56CE7D

square

#566BCE #CE56A7 #CEB956 #56CE7D

split-complementary

#566BCE #CE7D56 #A7CE56

monochromatic

#263683 #344AB3 #566BCE #8595DC #B5BEEA

Accessibility & contrast

On white

4.78

#566BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#566BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BCE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BCE	#FFFFFF	#000000	##FFFFFF
##566BCE	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A78D2

Deuteranopia (green-blind)

#276DCC

Tritanopia (blue-blind)

#008193

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #566bce;
/* rgb */ color: rgb(86, 107, 206);
/* oklch */ color: oklch(56.2% 0.154 271.6);

Tailwind

colors: {
  custom: {
    50: '#8f95dd',
    500: '#566bce',
    950: '#000000',
  },
}

SCSS

$custom: #566bce;
$custom-light: #8f95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#566bce",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 206
  },
  "hsl": {
    "h": 229.5,
    "s": 55.046,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56156,
    "c": 0.15379,
    "h": 271.6
  },
  "luminance": 0.1695
}

Semantic roles & 50–950 ramp

primary

#566BCE

secondary

#D8D0A8

accent

#C449DE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #566BCE

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

Preview Lab → · Contrast checker → · Palette generator →