#566FC5#566FC5

#566FC5 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.136 H 269.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#566FC5
RGB	rgb(86, 111, 197)
HSL	hsl(226, 49%, 55%)
HSV	hsv(226, 56%, 77%)
CMYK	cmyk(56.3%, 43.7%, 0%, 22.7%)
CIE-LAB	lab(48.73, 16.37, -47.80)
CIE-LCH	lch(48.73, 50.53, 288.90°)
OKLab	oklab(56.39% -0.0013 -0.136)
OKLCH	oklch(56.39% 0.136 269.5)
XYZ	xyz(19.5969, 17.3771, 55.1339)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566FC5 #C5AC56

analogous

#56A7C5 #566FC5 #7456C5

triadic

#566FC5 #C5566F #6FC556

tetradic

#566FC5 #C556A7 #C5AC56 #56C574

square

#566FC5 #C556A7 #C5AC56 #56C574

split-complementary

#566FC5 #C57456 #A7C556

monochromatic

#293B78 #3951A5 #566FC5 #8496D5 #B1BDE4

Accessibility & contrast

On white

4.69

#566FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#566FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566FC5

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566FC5	#FFFFFF	#000000	##FFFFFF
##566FC5	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4979C8

Deuteranopia (green-blind)

#3B6FC3

Tritanopia (blue-blind)

#0F8290

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #566fc5;
/* rgb */ color: rgb(86, 111, 197);
/* oklch */ color: oklch(56.4% 0.136 269.5);

Tailwind

colors: {
  custom: {
    50: '#8e98d7',
    500: '#566fc5',
    950: '#000000',
  },
}

SCSS

$custom: #566fc5;
$custom-light: #8e98d7;
$custom-dark: #000000;

JSON

{
  "hex": "#566fc5",
  "rgb": {
    "r": 86,
    "g": 111,
    "b": 197
  },
  "hsl": {
    "h": 226.486,
    "s": 48.899,
    "l": 55.49
  },
  "oklch": {
    "l": 0.56393,
    "c": 0.13602,
    "h": 269.5
  },
  "luminance": 0.17379
}

Semantic roles & 50–950 ramp

primary

#566FC5

secondary

#D3C8A4

accent

#BA4FD8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #566FC5

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

Preview Lab → · Contrast checker → · Palette generator →