#566DDB#566DDB

#566DDB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.169 H 271.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#566DDB
RGB	rgb(86, 109, 219)
HSL	hsl(230, 65%, 60%)
HSV	hsv(230, 61%, 86%)
CMYK	cmyk(60.7%, 50.2%, 0%, 14.1%)
CIE-LAB	lab(49.53, 24.95, -59.07)
CIE-LCH	lch(49.53, 64.12, 292.90°)
OKLab	oklab(57.43% 0.0037 -0.1691)
OKLCH	oklch(57.43% 0.169 271.3)
XYZ	xyz(22.0883, 18.0284, 69.3199)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DDB #DBC456

analogous

#56B0DB #566DDB #8256DB

triadic

#566DDB #DB566D #6DDB56

tetradic

#566DDB #DB56B0 #DBC456 #56DB82

square

#566DDB #DB56B0 #DBC456 #56DB82

split-complementary

#566DDB #DB8256 #B0DB56

monochromatic

#203597 #2B46C9 #566DDB #8899E6 #BBC4F0

Accessibility & contrast

On white

4.56

#566DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#566DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566DDB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DDB	#FFFFFF	#000000	##000000
##566DDB	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#307CDF

Deuteranopia (green-blind)

#0E70D9

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566ddb;
/* rgb */ color: rgb(86, 109, 219);
/* oklch */ color: oklch(57.4% 0.169 271.3);

Tailwind

colors: {
  custom: {
    50: '#9196e7',
    500: '#566ddb',
    950: '#000000',
  },
}

SCSS

$custom: #566ddb;
$custom-light: #9196e7;
$custom-dark: #000000;

JSON

{
  "hex": "#566ddb",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 229.624,
    "s": 64.878,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57429,
    "c": 0.16919,
    "h": 271.3
  },
  "luminance": 0.1803
}

Semantic roles & 50–950 ramp

primary

#566DDB

secondary

#E0D7AD

accent

#CB40E8

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566DDB

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

Preview Lab → · Contrast checker → · Palette generator →