#566EB4#566EB4

#566EB4 is a mid, moderate blue. Relative luminance 0.164; OKLCH L 55.2% C 0.113 H 268.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#566EB4
RGB	rgb(86, 110, 180)
HSL	hsl(225, 39%, 52%)
HSV	hsv(225, 52%, 71%)
CMYK	cmyk(52.2%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(47.53, 11.43, -39.90)
CIE-LCH	lch(47.53, 41.51, 285.99°)
OKLab	oklab(55.16% -0.0034 -0.1129)
OKLCH	oklch(55.16% 0.113 268.3)
XYZ	xyz(17.6492, 16.4244, 45.4114)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#566EB4 #B49C56

analogous

#569DB4 #566EB4 #6D56B4

triadic

#566EB4 #B4566E #6EB456

tetradic

#566EB4 #B4569D #B49C56 #56B46D

square

#566EB4 #B4569D #B49C56 #56B46D

split-complementary

#566EB4 #B46D56 #9DB456

monochromatic

#2C3A63 #3F538E #566EB4 #8092C7 #ABB7DA

Accessibility & contrast

On white

4.90

#566EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#566EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #566EB4

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##566EB4	#FFFFFF	#000000	##FFFFFF
##566EB4	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B7

Deuteranopia (green-blind)

#486DB2

Tritanopia (blue-blind)

#2A7D88

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #566eb4;
/* rgb */ color: rgb(86, 110, 180);
/* oklch */ color: oklch(55.2% 0.113 268.3);

Tailwind

colors: {
  custom: {
    50: '#8c97cb',
    500: '#566eb4',
    950: '#000000',
  },
}

SCSS

$custom: #566eb4;
$custom-light: #8c97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#566eb4",
  "rgb": {
    "r": 86,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 224.681,
    "s": 38.525,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.11293,
    "h": 268.3
  },
  "luminance": 0.16426
}

Semantic roles & 50–950 ramp

primary

#566EB4

secondary

#C7BD9E

accent

#B159CE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #566EB4

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

Preview Lab → · Contrast checker → · Palette generator →