#5666E6#5666E6

#5666E6 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.9% C 0.193 H 273.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5666E6
RGB	rgb(86, 102, 230)
HSL	hsl(233, 74%, 62%)
HSV	hsv(233, 63%, 90%)
CMYK	cmyk(62.6%, 55.7%, 0%, 9.8%)
CIE-LAB	lab(48.50, 32.95, -66.95)
CIE-LCH	lch(48.50, 74.62, 296.21°)
OKLab	oklab(56.89% 0.0109 -0.1924)
OKLCH	oklch(56.89% 0.193 273.3)
XYZ	xyz(22.8673, 17.1924, 76.9610)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5666E6 #E6D656

analogous

#56AEE6 #5666E6 #8E56E6

triadic

#5666E6 #E65666 #66E656

tetradic

#5666E6 #E656AE #E6D656 #56E68E

square

#5666E6 #E656AE #E6D656 #56E68E

split-complementary

#5666E6 #E68E56 #AEE656

monochromatic

#1929A9 #2136DE #5666E6 #8B96EE #C1C7F6

Accessibility & contrast

On white

4.73

#5666E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#5666E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5666E6

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5666E6	#FFFFFF	#000000	##FFFFFF
##5666E6	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEA

Deuteranopia (green-blind)

#006DE3

Tritanopia (blue-blind)

#00859C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5666e6;
/* rgb */ color: rgb(86, 102, 230);
/* oklch */ color: oklch(56.9% 0.193 273.3);

Tailwind

colors: {
  custom: {
    50: '#9391ef',
    500: '#5666e6',
    950: '#000000',
  },
}

SCSS

$custom: #5666e6;
$custom-light: #9391ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5666e6",
  "rgb": {
    "r": 86,
    "g": 102,
    "b": 230
  },
  "hsl": {
    "h": 233.333,
    "s": 74.227,
    "l": 61.961
  },
  "oklch": {
    "l": 0.5689,
    "c": 0.19271,
    "h": 273.3
  },
  "luminance": 0.17194
}

Semantic roles & 50–950 ramp

primary

#5666E6

secondary

#E6E1B1

accent

#C00FD6

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5666E6

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

Preview Lab → · Contrast checker → · Palette generator →