#566DDF#566DDF

#566DDF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.175 H 271.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#566DDF
RGB	rgb(86, 109, 223)
HSL	hsl(230, 68%, 61%)
HSV	hsv(230, 61%, 87%)
CMYK	cmyk(61.4%, 51.1%, 0%, 12.5%)
CIE-LAB	lab(49.79, 26.29, -60.92)
CIE-LCH	lch(49.79, 66.35, 293.34°)
OKLab	oklab(57.71% 0.0041 -0.1746)
OKLCH	oklch(57.71% 0.175 271.3)
XYZ	xyz(22.6212, 18.2415, 72.1266)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DDF #DFC856

analogous

#56B1DF #566DDF #8356DF

triadic

#566DDF #DF566D #6DDF56

tetradic

#566DDF #DF56B1 #DFC856 #56DF83

square

#566DDF #DF56B1 #DFC856 #56DF83

split-complementary

#566DDF #DF8356 #B1DF56

monochromatic

#1E339D #2744D0 #566DDF #8999E9 #BDC6F2

Accessibility & contrast

On white

4.52

#566DDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#566DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566DDF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DDF	#FFFFFF	#000000	##000000
##566DDF	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B7DE3

Deuteranopia (green-blind)

#0071DD

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #566ddf;
/* rgb */ color: rgb(86, 109, 223);
/* oklch */ color: oklch(57.7% 0.175 271.3);

Tailwind

colors: {
  custom: {
    50: '#9296ea',
    500: '#566ddf',
    950: '#000000',
  },
}

SCSS

$custom: #566ddf;
$custom-light: #9296ea;
$custom-dark: #000000;

JSON

{
  "hex": "#566ddf",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 223
  },
  "hsl": {
    "h": 229.927,
    "s": 68.159,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57706,
    "c": 0.17463,
    "h": 271.3
  },
  "luminance": 0.18243
}

Semantic roles & 50–950 ramp

primary

#566DDF

secondary

#E2DAAE

accent

#B115D0

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566DDF

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

Preview Lab → · Contrast checker → · Palette generator →