#5766DC#5766DC

#5766DC is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.2% C 0.179 H 273.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5766DC
RGB	rgb(87, 102, 220)
HSL	hsl(233, 66%, 60%)
HSV	hsv(233, 60%, 86%)
CMYK	cmyk(60.5%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(47.87, 29.79, -62.31)
CIE-LCH	lch(47.87, 69.06, 295.55°)
OKLab	oklab(56.22% 0.0116 -0.1787)
OKLCH	oklch(56.22% 0.179 273.7)
XYZ	xyz(21.5959, 16.6946, 69.7806)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766DC #DCCD57

analogous

#57A8DC #5766DC #8A57DC

triadic

#5766DC #DC5766 #66DC57

tetradic

#5766DC #DC57A8 #DCCD57 #57DC8A

square

#5766DC #DC57A8 #DCCD57 #57DC8A

split-complementary

#5766DC #DC8A57 #A8DC57

monochromatic

#202D99 #2A3DCB #5766DC #8A94E7 #BCC2F1

Accessibility & contrast

On white

4.84

#5766DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#5766DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766DC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766DC	#FFFFFF	#000000	##FFFFFF
##5766DC	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)

#1578E0

Deuteranopia (green-blind)

#006CDA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5766dc;
/* rgb */ color: rgb(87, 102, 220);
/* oklch */ color: oklch(56.2% 0.179 273.7);

Tailwind

colors: {
  custom: {
    50: '#9291e8',
    500: '#5766dc',
    950: '#000000',
  },
}

SCSS

$custom: #5766dc;
$custom-light: #9291e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5766dc",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 233.233,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.56217,
    "c": 0.17911,
    "h": 273.7
  },
  "luminance": 0.16696
}

Semantic roles & 50–950 ramp

primary

#5766DC

secondary

#E1DBAE

accent

#B918CD

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766DC

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

Preview Lab → · Contrast checker → · Palette generator →