#5866C8#5866C8

#5866C8 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.9% C 0.151 H 274.2°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#5866C8
RGB	rgb(88, 102, 200)
HSL	hsl(233, 50%, 56%)
HSV	hsv(233, 56%, 78%)
CMYK	cmyk(56%, 49%, 0%, 21.6%)
CIE-LAB	lab(46.64, 23.37, -52.87)
CIE-LCH	lch(46.64, 57.80, 293.84°)
OKLab	oklab(54.89% 0.0111 -0.1509)
OKLCH	oklch(54.89% 0.151 274.2)
XYZ	xyz(19.1978, 15.7462, 56.6601)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866C8 #C8BA58

analogous

#589EC8 #5866C8 #8258C8

triadic

#5866C8 #C85866 #66C858

tetradic

#5866C8 #C8589E #C8BA58 #58C882

square

#5866C8 #C8589E #C8BA58 #58C882

split-complementary

#5866C8 #C88258 #9EC858

monochromatic

#29337D #3846AB #5866C8 #8690D7 #B4BAE6

Accessibility & contrast

On white

5.06

#5866C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#5866C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866C8

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866C8	#FFFFFF	#000000	##FFFFFF
##5866C8	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3673CC

Deuteranopia (green-blind)

#256AC6

Tritanopia (blue-blind)

#187C8D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5866c8;
/* rgb */ color: rgb(88, 102, 200);
/* oklch */ color: oklch(54.9% 0.151 274.2);

Tailwind

colors: {
  custom: {
    50: '#9091d9',
    500: '#5866c8',
    950: '#000000',
  },
}

SCSS

$custom: #5866c8;
$custom-light: #9091d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5866c8",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 232.5,
    "s": 50.45,
    "l": 56.471
  },
  "oklch": {
    "l": 0.5489,
    "c": 0.15135,
    "h": 274.2
  },
  "luminance": 0.15748
}

Semantic roles & 50–950 ramp

primary

#5866C8

secondary

#D5CFA7

accent

#C84EDA

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5866C8

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

Preview Lab → · Contrast checker → · Palette generator →