#5866E8#5866E8

#5866E8 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.2% C 0.195 H 273.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#5866E8
RGB	rgb(88, 102, 232)
HSL	hsl(234, 76%, 63%)
HSV	hsv(234, 62%, 91%)
CMYK	cmyk(62.1%, 56%, 0%, 9%)
CIE-LAB	lab(48.76, 33.94, -67.64)
CIE-LCH	lch(48.76, 75.68, 296.65°)
OKLab	oklab(57.16% 0.0131 -0.1944)
OKLCH	oklch(57.16% 0.195 273.9)
XYZ	xyz(23.3366, 17.4017, 78.4574)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866E8 #E8DA58

analogous

#58AEE8 #5866E8 #9258E8

triadic

#5866E8 #E85866 #66E858

tetradic

#5866E8 #E858AE #E8DA58 #58E892

square

#5866E8 #E858AE #E8DA58 #58E892

split-complementary

#5866E8 #E89258 #AEE858

monochromatic

#1826AE #2235E1 #5866E8 #8E97EF #C4C9F7

Accessibility & contrast

On white

4.69

#5866E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#5866E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866E8

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866E8	#FFFFFF	#000000	##FFFFFF
##5866E8	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEC

Deuteranopia (green-blind)

#006EE5

Tritanopia (blue-blind)

#00859D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5866e8;
/* rgb */ color: rgb(88, 102, 232);
/* oklch */ color: oklch(57.2% 0.195 273.9);

Tailwind

colors: {
  custom: {
    50: '#9591f0',
    500: '#5866e8',
    950: '#000000',
  },
}

SCSS

$custom: #5866e8;
$custom-light: #9591f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5866e8",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 232
  },
  "hsl": {
    "h": 234.167,
    "s": 75.789,
    "l": 62.745
  },
  "oklch": {
    "l": 0.57161,
    "c": 0.19484,
    "h": 273.9
  },
  "luminance": 0.17404
}

Semantic roles & 50–950 ramp

primary

#5866E8

secondary

#E8E3B4

accent

#C40ED8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #5866E8

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

Preview Lab → · Contrast checker → · Palette generator →