#5866DB#5866DB

#5866DB is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.2% C 0.177 H 274.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5866DB
RGB	rgb(88, 102, 219)
HSL	hsl(234, 65%, 60%)
HSV	hsv(234, 60%, 86%)
CMYK	cmyk(59.8%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.87, 29.63, -61.75)
CIE-LCH	lch(47.87, 68.49, 295.64°)
OKLab	oklab(56.21% 0.0126 -0.1771)
OKLCH	oklch(56.21% 0.178 274.1)
XYZ	xyz(21.5579, 16.6902, 69.0896)
Luminance	0.1669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5866DB #DBCD58

analogous

#58A7DB #5866DB #8C58DB

triadic

#5866DB #DB5866 #66DB58

tetradic

#5866DB #DB58A7 #DBCD58 #58DB8C

square

#5866DB #DB58A7 #DBCD58 #58DB8C

split-complementary

#5866DB #DB8C58 #A7DB58

monochromatic

#212D98 #2C3DCA #5866DB #8A94E6 #BDC2F1

Accessibility & contrast

On white

4.84

#5866DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#5866DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5866DB

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5866DB	#FFFFFF	#000000	##FFFFFF
##5866DB	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1977DF

Deuteranopia (green-blind)

#006CD9

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5866db;
/* rgb */ color: rgb(88, 102, 219);
/* oklch */ color: oklch(56.2% 0.177 274.1);

Tailwind

colors: {
  custom: {
    50: '#9391e7',
    500: '#5866db',
    950: '#000000',
  },
}

SCSS

$custom: #5866db;
$custom-light: #9391e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5866db",
  "rgb": {
    "r": 88,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 233.588,
    "s": 64.532,
    "l": 60.196
  },
  "oklch": {
    "l": 0.56208,
    "c": 0.1775,
    "h": 274.1
  },
  "luminance": 0.16692
}

Semantic roles & 50–950 ramp

primary

#5866DB

secondary

#E1DBAE

accent

#B919CC

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5866DB

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

Preview Lab → · Contrast checker → · Palette generator →