#5866CD#5866CD

#5866CD is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.2% C 0.158 H 274.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#5866CD
RGB	rgb(88, 102, 205)
HSL	hsl(233, 54%, 57%)
HSV	hsv(233, 57%, 80%)
CMYK	cmyk(57.1%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(46.95, 25.01, -55.24)
CIE-LCH	lch(46.95, 60.63, 294.36°)
OKLab	oklab(55.23% 0.0116 -0.1579)
OKLCH	oklch(55.23% 0.158 274.2)
XYZ	xyz(19.7917, 15.9838, 59.7880)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866CD #CDBF58

analogous

#58A0CD #5866CD #8558CD

triadic

#5866CD #CD5866 #66CD58

tetradic

#5866CD #CD58A0 #CDBF58 #58CD85

square

#5866CD #CD58A0 #CDBF58 #58CD85

split-complementary

#5866CD #CD8558 #A0CD58

monochromatic

#273283 #3544B2 #5866CD #8791DB #B6BCE9

Accessibility & contrast

On white

5.00

#5866CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#5866CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866CD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866CD	#FFFFFF	#000000	##FFFFFF
##5866CD	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3074D1

Deuteranopia (green-blind)

#1B6BCB

Tritanopia (blue-blind)

#0A7D90

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5866cd;
/* rgb */ color: rgb(88, 102, 205);
/* oklch */ color: oklch(55.2% 0.158 274.2);

Tailwind

colors: {
  custom: {
    50: '#9091dd',
    500: '#5866cd',
    950: '#000000',
  },
}

SCSS

$custom: #5866cd;
$custom-light: #9091dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5866cd",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 232.821,
    "s": 53.917,
    "l": 57.451
  },
  "oklch": {
    "l": 0.55228,
    "c": 0.15833,
    "h": 274.2
  },
  "luminance": 0.15985
}

Semantic roles & 50–950 ramp

primary

#5866CD

secondary

#D8D2A9

accent

#CC4BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5866CD

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

Preview Lab → · Contrast checker → · Palette generator →