#566BC7#566BC7

#566BC7 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.144 H 271.4°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#566BC7
RGB	rgb(86, 107, 199)
HSL	hsl(229, 50%, 56%)
HSV	hsv(229, 57%, 78%)
CMYK	cmyk(56.8%, 46.2%, 0%, 22%)
CIE-LAB	lab(47.77, 19.51, -50.49)
CIE-LCH	lch(47.77, 54.13, 291.13°)
OKLab	oklab(55.7% 0.0034 -0.1439)
OKLCH	oklch(55.7% 0.144 271.4)
XYZ	xyz(19.4009, 16.6159, 56.2066)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566BC7 #C7B256

analogous

#56A3C7 #566BC7 #7956C7

triadic

#566BC7 #C7566B #6BC756

tetradic

#566BC7 #C756A3 #C7B256 #56C779

square

#566BC7 #C756A3 #C7B256 #56C779

split-complementary

#566BC7 #C77956 #A3C756

monochromatic

#28387A #384DA8 #566BC7 #8493D6 #B2BCE5

Accessibility & contrast

On white

4.86

#566BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#566BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566BC7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566BC7	#FFFFFF	#000000	##FFFFFF
##566BC7	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4077CA

Deuteranopia (green-blind)

#316DC5

Tritanopia (blue-blind)

#0B7F8F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566bc7;
/* rgb */ color: rgb(86, 107, 199);
/* oklch */ color: oklch(55.7% 0.144 271.4);

Tailwind

colors: {
  custom: {
    50: '#8e95d8',
    500: '#566bc7',
    950: '#000000',
  },
}

SCSS

$custom: #566bc7;
$custom-light: #8e95d8;
$custom-dark: #000000;

JSON

{
  "hex": "#566bc7",
  "rgb": {
    "r": 86,
    "g": 107,
    "b": 199
  },
  "hsl": {
    "h": 228.85,
    "s": 50.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.55698,
    "c": 0.14397,
    "h": 271.4
  },
  "luminance": 0.16617
}

Semantic roles & 50–950 ramp

primary

#566BC7

secondary

#D4CBA5

accent

#C04EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566BC7

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

Preview Lab → · Contrast checker → · Palette generator →