#566CEC#566CEC

#566CEC is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.4% C 0.193 H 271.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#566CEC
RGB	rgb(86, 108, 236)
HSL	hsl(231, 80%, 63%)
HSV	hsv(231, 64%, 93%)
CMYK	cmyk(63.6%, 54.2%, 0%, 7.5%)
CIE-LAB	lab(50.40, 31.28, -67.24)
CIE-LCH	lch(50.40, 74.16, 294.95°)
OKLab	oklab(58.44% 0.0059 -0.1932)
OKLCH	oklch(58.44% 0.193 271.7)
XYZ	xyz(24.3356, 18.7576, 81.6787)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566CEC #ECD656

analogous

#56B7EC #566CEC #8B56EC

triadic

#566CEC #EC566C #6CEC56

tetradic

#566CEC #EC56B7 #ECD656 #56EC8B

square

#566CEC #EC56B7 #ECD656 #56EC8B

split-complementary

#566CEC #EC8B56 #B7EC56

monochromatic

#142CB3 #1F3CE6 #566CEC #8D9CF2 #C4CCF8

Accessibility & contrast

On white

4.42

#566CEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#566CEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #566CEC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566CEC	#FFFFFF	#000000	##000000
##566CEC	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#017FF0

Deuteranopia (green-blind)

#0071E9

Tritanopia (blue-blind)

#008AA2

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #566cec;
/* rgb */ color: rgb(86, 108, 236);
/* oklch */ color: oklch(58.4% 0.193 271.7);

Tailwind

colors: {
  custom: {
    50: '#9495f3',
    500: '#566cec',
    950: '#000000',
  },
}

SCSS

$custom: #566cec;
$custom-light: #9495f3;
$custom-dark: #000000;

JSON

{
  "hex": "#566cec",
  "rgb": {
    "r": 86,
    "g": 108,
    "b": 236
  },
  "hsl": {
    "h": 231.2,
    "s": 79.787,
    "l": 63.137
  },
  "oklch": {
    "l": 0.58444,
    "c": 0.19328,
    "h": 271.7
  },
  "luminance": 0.1876
}

Semantic roles & 50–950 ramp

primary

#566CEC

secondary

#EAE2B4

accent

#BD09DC

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #566CEC

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

Preview Lab → · Contrast checker → · Palette generator →