#5866EE#5866EE

#5866EE is a mid, highly saturated blue. Relative luminance 0.177; OKLCH L 57.6% C 0.203 H 273.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#5866EE
RGB	rgb(88, 102, 238)
HSL	hsl(234, 82%, 64%)
HSV	hsv(234, 63%, 93%)
CMYK	cmyk(63%, 57.1%, 0%, 6.7%)
CIE-LAB	lab(49.19, 35.93, -70.32)
CIE-LCH	lch(49.19, 78.97, 297.07°)
OKLab	oklab(57.61% 0.0132 -0.2023)
OKLCH	oklch(57.61% 0.203 273.7)
XYZ	xyz(24.2034, 17.7484, 83.0227)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866EE #EEE058

analogous

#58B1EE #5866EE #9558EE

triadic

#5866EE #EE5866 #66EE58

tetradic

#5866EE #EE58B1 #EEE058 #58EE95

square

#5866EE #EE58B1 #EEE058 #58EE95

split-complementary

#5866EE #EE9558 #B1EE58

monochromatic

#1322B9 #2033E8 #5866EE #9099F4 #C7CCF9

Accessibility & contrast

On white

4.62

#5866EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#5866EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5866EE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866EE	#FFFFFF	#000000	##FFFFFF
##5866EE	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF3

Deuteranopia (green-blind)

#006EEB

Tritanopia (blue-blind)

#0087A0

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5866ee;
/* rgb */ color: rgb(88, 102, 238);
/* oklch */ color: oklch(57.6% 0.203 273.7);

Tailwind

colors: {
  custom: {
    50: '#9691f4',
    500: '#5866ee',
    950: '#000000',
  },
}

SCSS

$custom: #5866ee;
$custom-light: #9691f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5866ee",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 238
  },
  "hsl": {
    "h": 234.4,
    "s": 81.522,
    "l": 63.922
  },
  "oklch": {
    "l": 0.57614,
    "c": 0.2027,
    "h": 273.7
  },
  "luminance": 0.1775
}

Semantic roles & 50–950 ramp

primary

#5866EE

secondary

#EBE6B7

accent

#CA08DE

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5866EE

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

Preview Lab → · Contrast checker → · Palette generator →