#566BC2#566BC2

#566BC2 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.137 H 271.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#566BC2
RGB	rgb(86, 107, 194)
HSL	hsl(228, 47%, 55%)
HSV	hsv(228, 56%, 76%)
CMYK	cmyk(55.7%, 44.8%, 0%, 23.9%)
CIE-LAB	lab(47.48, 17.86, -48.08)
CIE-LCH	lch(47.48, 51.29, 290.38°)
OKLab	oklab(55.38% 0.0027 -0.1369)
OKLCH	oklch(55.38% 0.137 271.1)
XYZ	xyz(18.8299, 16.3875, 53.1993)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BC2 #C2AD56

analogous

#56A1C2 #566BC2 #7756C2

triadic

#566BC2 #C2566B #6BC256

tetradic

#566BC2 #C256A1 #C2AD56 #56C277

square

#566BC2 #C256A1 #C2AD56 #56C277

split-complementary

#566BC2 #C27756 #A1C256

monochromatic

#2A3874 #3A4EA1 #566BC2 #8392D2 #B0BAE2

Accessibility & contrast

On white

4.91

#566BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#566BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BC2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BC2	#FFFFFF	#000000	##FFFFFF
##566BC2	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4476C5

Deuteranopia (green-blind)

#376CC0

Tritanopia (blue-blind)

#187E8D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566bc2;
/* rgb */ color: rgb(86, 107, 194);
/* oklch */ color: oklch(55.4% 0.137 271.1);

Tailwind

colors: {
  custom: {
    50: '#8e95d5',
    500: '#566bc2',
    950: '#000000',
  },
}

SCSS

$custom: #566bc2;
$custom-light: #8e95d5;
$custom-dark: #000000;

JSON

{
  "hex": "#566bc2",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 194
  },
  "hsl": {
    "h": 228.333,
    "s": 46.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55379,
    "c": 0.13689,
    "h": 271.1
  },
  "luminance": 0.16389
}

Semantic roles & 50–950 ramp

primary

#566BC2

secondary

#D1C8A3

accent

#BD51D7

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566BC2

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

Preview Lab → · Contrast checker → · Palette generator →