#5866E6#5866E6

#5866E6 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 57.0% C 0.192 H 273.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5866E6
RGB	rgb(88, 102, 230)
HSL	hsl(234, 74%, 62%)
HSV	hsv(234, 62%, 90%)
CMYK	cmyk(61.7%, 55.7%, 0%, 9.8%)
CIE-LAB	lab(48.62, 33.28, -66.75)
CIE-LCH	lch(48.62, 74.58, 296.50°)
OKLab	oklab(57.01% 0.0131 -0.1918)
OKLCH	oklch(57.01% 0.192 273.9)
XYZ	xyz(23.0541, 17.2887, 76.9697)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866E6 #E6D858

analogous

#58ADE6 #5866E6 #9158E6

triadic

#5866E6 #E65866 #66E658

tetradic

#5866E6 #E658AD #E6D858 #58E691

square

#5866E6 #E658AD #E6D858 #58E691

split-complementary

#5866E6 #E69158 #ADE658

monochromatic

#1928AA #2335DE #5866E6 #8D97EE #C2C8F6

Accessibility & contrast

On white

4.71

#5866E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#5866E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866E6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866E6	#FFFFFF	#000000	##FFFFFF
##5866E6	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	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: #5866e6;
/* rgb */ color: rgb(88, 102, 230);
/* oklch */ color: oklch(57.0% 0.192 273.9);

Tailwind

colors: {
  custom: {
    50: '#9491ef',
    500: '#5866e6',
    950: '#000000',
  },
}

SCSS

$custom: #5866e6;
$custom-light: #9491ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5866e6",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 230
  },
  "hsl": {
    "h": 234.085,
    "s": 73.958,
    "l": 62.353
  },
  "oklch": {
    "l": 0.57012,
    "c": 0.1922,
    "h": 273.9
  },
  "luminance": 0.17291
}

Semantic roles & 50–950 ramp

primary

#5866E6

secondary

#E7E2B3

accent

#C20FD6

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5866E6

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

Preview Lab → · Contrast checker → · Palette generator →