#566EDD#566EDD

#566EDD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.8% C 0.171 H 271.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#566EDD
RGB	rgb(86, 110, 221)
HSL	hsl(229, 67%, 60%)
HSV	hsv(229, 61%, 87%)
CMYK	cmyk(61.1%, 50.2%, 0%, 13.3%)
CIE-LAB	lab(49.92, 25.00, -59.58)
CIE-LCH	lch(49.92, 64.61, 292.76°)
OKLab	oklab(57.76% 0.0029 -0.1706)
OKLCH	oklch(57.76% 0.171 271)
XYZ	xyz(22.4605, 18.3489, 70.7507)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EDD #DDC556

analogous

#56B2DD #566EDD #8156DD

triadic

#566EDD #DD566E #6EDD56

tetradic

#566EDD #DD56B2 #DDC556 #56DD81

square

#566EDD #DD56B2 #DDC556 #56DD81

split-complementary

#566EDD #DD8156 #B2DD56

monochromatic

#1F359A #2946CD #566EDD #899AE7 #BCC5F2

Accessibility & contrast

On white

4.50

#566EDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#566EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566EDD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EDD	#FFFFFF	#000000	##000000
##566EDD	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317DE1

Deuteranopia (green-blind)

#0C71DB

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #566edd;
/* rgb */ color: rgb(86, 110, 221);
/* oklch */ color: oklch(57.8% 0.171 271.0);

Tailwind

colors: {
  custom: {
    50: '#9297e8',
    500: '#566edd',
    950: '#000000',
  },
}

SCSS

$custom: #566edd;
$custom-light: #9297e8;
$custom-dark: #000000;

JSON

{
  "hex": "#566edd",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 221
  },
  "hsl": {
    "h": 229.333,
    "s": 66.502,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57762,
    "c": 0.17066,
    "h": 271
  },
  "luminance": 0.18351
}

Semantic roles & 50–950 ramp

primary

#566EDD

secondary

#E1D8AE

accent

#AE17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #566EDD

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

Preview Lab → · Contrast checker → · Palette generator →