#5666BA#5666BA

#5666BA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.132 H 273.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5666BA
RGB	rgb(86, 102, 186)
HSL	hsl(230, 42%, 53%)
HSV	hsv(230, 54%, 73%)
CMYK	cmyk(53.8%, 45.2%, 0%, 27.1%)
CIE-LAB	lab(45.67, 18.36, -46.34)
CIE-LCH	lch(45.67, 49.84, 291.61°)
OKLab	oklab(53.85% 0.0071 -0.1318)
OKLCH	oklch(53.85% 0.132 273.1)
XYZ	xyz(17.4492, 15.0252, 48.4255)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5666BA #BAAA56

analogous

#5698BA #5666BA #7856BA

triadic

#5666BA #BA5666 #66BA56

tetradic

#5666BA #BA5698 #BAAA56 #56BA78

square

#5666BA #BA5698 #BAAA56 #56BA78

split-complementary

#5666BA #BA7856 #98BA56

monochromatic

#2B356A #3D4B96 #5666BA #818DCC #ADB5DD

Accessibility & contrast

On white

5.24

#5666BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5666BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5666BA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5666BA	#FFFFFF	#000000	##FFFFFF
##5666BA	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4171BD

Deuteranopia (green-blind)

#3668B8

Tritanopia (blue-blind)

#257887

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5666ba;
/* rgb */ color: rgb(86, 102, 186);
/* oklch */ color: oklch(53.8% 0.132 273.1);

Tailwind

colors: {
  custom: {
    50: '#8d91cf',
    500: '#5666ba',
    950: '#000000',
  },
}

SCSS

$custom: #5666ba;
$custom-light: #8d91cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5666ba",
  "rgb": {
    "r": 86,
    "g": 102,
    "b": 186
  },
  "hsl": {
    "h": 230.4,
    "s": 42.017,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53847,
    "c": 0.13199,
    "h": 273.1
  },
  "luminance": 0.15026
}

Semantic roles & 50–950 ramp

primary

#5666BA

secondary

#CBC5A0

accent

#BE56D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5666BA

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

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