#5766DD#5766DD

#5766DD is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.3% C 0.180 H 273.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5766DD
RGB	rgb(87, 102, 221)
HSL	hsl(233, 66%, 60%)
HSV	hsv(233, 61%, 87%)
CMYK	cmyk(60.6%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(47.94, 30.12, -62.77)
CIE-LCH	lch(47.94, 69.62, 295.64°)
OKLab	oklab(56.29% 0.0117 -0.1801)
OKLCH	oklch(56.29% 0.18 273.7)
XYZ	xyz(21.7287, 16.7477, 70.4802)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766DD #DDCE57

analogous

#57A9DD #5766DD #8B57DD

triadic

#5766DD #DD5766 #66DD57

tetradic

#5766DD #DD57A9 #DDCE57 #57DD8B

square

#5766DD #DD57A9 #DDCE57 #57DD8B

split-complementary

#5766DD #DD8B57 #A9DD57

monochromatic

#1F2D9A #2A3CCD #5766DD #8A94E7 #BDC3F2

Accessibility & contrast

On white

4.83

#5766DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#5766DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766DD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

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

#1278E1

Deuteranopia (green-blind)

#006CDB

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5766dd;
/* rgb */ color: rgb(87, 102, 221);
/* oklch */ color: oklch(56.3% 0.180 273.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5766dd",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 233.284,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5629,
    "c": 0.18046,
    "h": 273.7
  },
  "luminance": 0.16749
}

Semantic roles & 50–950 ramp

primary

#5766DD

secondary

#E1DCAE

accent

#BA17CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766DD

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

Preview Lab → · Contrast checker → · Palette generator →