#5866DC#5866DC

#5866DC is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.3% C 0.179 H 274.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5866DC
RGB	rgb(88, 102, 220)
HSL	hsl(234, 65%, 60%)
HSV	hsv(234, 60%, 86%)
CMYK	cmyk(60%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(47.93, 29.97, -62.21)
CIE-LCH	lch(47.93, 69.05, 295.72°)
OKLab	oklab(56.28% 0.0127 -0.1784)
OKLCH	oklch(56.28% 0.179 274.1)
XYZ	xyz(21.6899, 16.7430, 69.7850)
Luminance	0.1674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866DC #DCCE58

analogous

#58A8DC #5866DC #8C58DC

triadic

#5866DC #DC5866 #66DC58

tetradic

#5866DC #DC58A8 #DCCE58 #58DC8C

square

#5866DC #DC58A8 #DCCE58 #58DC8C

split-complementary

#5866DC #DC8C58 #A8DC58

monochromatic

#202D99 #2B3CCC #5866DC #8B94E7 #BDC3F1

Accessibility & contrast

On white

4.83

#5866DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#5866DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866DC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866DC	#FFFFFF	#000000	##FFFFFF
##5866DC	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1678E0

Deuteranopia (green-blind)

#006CDA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5866dc;
/* rgb */ color: rgb(88, 102, 220);
/* oklch */ color: oklch(56.3% 0.179 274.1);

Tailwind

colors: {
  custom: {
    50: '#9391e8',
    500: '#5866dc',
    950: '#000000',
  },
}

SCSS

$custom: #5866dc;
$custom-light: #9391e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5866dc",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 233.636,
    "s": 65.347,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5628,
    "c": 0.17885,
    "h": 274.1
  },
  "luminance": 0.16745
}

Semantic roles & 50–950 ramp

primary

#5866DC

secondary

#E1DCAF

accent

#BA18CD

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5866DC

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

Preview Lab → · Contrast checker → · Palette generator →