#566CDB#566CDB

#566CDB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.2% C 0.170 H 271.6°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#566CDB
RGB	rgb(86, 108, 219)
HSL	hsl(230, 65%, 60%)
HSV	hsv(230, 61%, 86%)
CMYK	cmyk(60.7%, 50.7%, 0%, 14.1%)
CIE-LAB	lab(49.27, 25.57, -59.49)
CIE-LCH	lch(49.27, 64.75, 293.26°)
OKLab	oklab(57.23% 0.0047 -0.1704)
OKLCH	oklch(57.23% 0.17 271.6)
XYZ	xyz(21.9822, 17.8162, 69.2846)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CDB #DBC556

analogous

#56AFDB #566CDB #8256DB

triadic

#566CDB #DB566C #6CDB56

tetradic

#566CDB #DB56AF #DBC556 #56DB82

square

#566CDB #DB56AF #DBC556 #56DB82

split-complementary

#566CDB #DB8256 #AFDB56

monochromatic

#203497 #2B45C9 #566CDB #8898E6 #BBC4F0

Accessibility & contrast

On white

4.60

#566CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#566CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566CDB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CDB	#FFFFFF	#000000	##FFFFFF
##566CDB	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7BDF

Deuteranopia (green-blind)

#0670D9

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566cdb;
/* rgb */ color: rgb(86, 108, 219);
/* oklch */ color: oklch(57.2% 0.170 271.6);

Tailwind

colors: {
  custom: {
    50: '#9195e7',
    500: '#566cdb',
    950: '#000000',
  },
}

SCSS

$custom: #566cdb;
$custom-light: #9195e7;
$custom-dark: #000000;

JSON

{
  "hex": "#566cdb",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 219
  },
  "hsl": {
    "h": 230.075,
    "s": 64.878,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57234,
    "c": 0.17044,
    "h": 271.6
  },
  "luminance": 0.17818
}

Semantic roles & 50–950 ramp

primary

#566CDB

secondary

#E0D8AD

accent

#CC40E8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566CDB

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

Preview Lab → · Contrast checker → · Palette generator →