#566DD5#566DD5

#566DD5 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.0% C 0.161 H 271.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#566DD5
RGB	rgb(86, 109, 213)
HSL	hsl(229, 60%, 59%)
HSV	hsv(229, 60%, 84%)
CMYK	cmyk(59.6%, 48.8%, 0%, 16.5%)
CIE-LAB	lab(49.15, 22.93, -56.27)
CIE-LCH	lch(49.15, 60.77, 292.17°)
OKLab	oklab(57.02% 0.0031 -0.1609)
OKLCH	oklch(57.02% 0.161 271.1)
XYZ	xyz(21.3126, 17.7181, 65.2347)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566DD5 #D5BE56

analogous

#56ACD5 #566DD5 #7E56D5

triadic

#566DD5 #D5566D #6DD556

tetradic

#566DD5 #D556AC #D5BE56 #56D57E

square

#566DD5 #D556AC #D5BE56 #56D57E

split-complementary

#566DD5 #D57E56 #ACD556

monochromatic

#23368D #2F49BE #566DD5 #8797E1 #B8C2ED

Accessibility & contrast

On white

4.62

#566DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#566DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #566DD5

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566DD5	#FFFFFF	#000000	##FFFFFF
##566DD5	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377BD9

Deuteranopia (green-blind)

#206FD3

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #566dd5;
/* rgb */ color: rgb(86, 109, 213);
/* oklch */ color: oklch(57.0% 0.161 271.1);

Tailwind

colors: {
  custom: {
    50: '#9096e2',
    500: '#566dd5',
    950: '#000000',
  },
}

SCSS

$custom: #566dd5;
$custom-light: #9096e2;
$custom-dark: #000000;

JSON

{
  "hex": "#566dd5",
  "rgb": {
    "r": 86,
    "g": 109,
    "b": 213
  },
  "hsl": {
    "h": 229.134,
    "s": 60.19,
    "l": 58.627
  },
  "oklch": {
    "l": 0.57022,
    "c": 0.16095,
    "h": 271.1
  },
  "luminance": 0.1772
}

Semantic roles & 50–950 ramp

primary

#566DD5

secondary

#DDD3AA

accent

#C744E3

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #566DD5

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

Preview Lab → · Contrast checker → · Palette generator →