#5766E5#5766E5

#5766E5 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.9% C 0.191 H 273.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5766E5
RGB	rgb(87, 102, 229)
HSL	hsl(234, 73%, 62%)
HSV	hsv(234, 62%, 90%)
CMYK	cmyk(62%, 55.5%, 0%, 10.2%)
CIE-LAB	lab(48.49, 32.78, -66.40)
CIE-LCH	lch(48.49, 74.05, 296.28°)
OKLab	oklab(56.88% 0.012 -0.1908)
OKLCH	oklch(56.88% 0.191 273.6)
XYZ	xyz(22.8200, 17.1842, 76.2279)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766E5 #E5D657

analogous

#57ADE5 #5766E5 #8F57E5

triadic

#5766E5 #E55766 #66E557

tetradic

#5766E5 #E557AD #E5D657 #57E58F

square

#5766E5 #E557AD #E5D657 #57E58F

split-complementary

#5766E5 #E58F57 #ADE557

monochromatic

#1A29A8 #2236DD #5766E5 #8C96ED #C1C7F5

Accessibility & contrast

On white

4.73

#5766E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#5766E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766E5

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766E5	#FFFFFF	#000000	##FFFFFF
##5766E5	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AE9

Deuteranopia (green-blind)

#006DE2

Tritanopia (blue-blind)

#00849C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5766e5;
/* rgb */ color: rgb(87, 102, 229);
/* oklch */ color: oklch(56.9% 0.191 273.6);

Tailwind

colors: {
  custom: {
    50: '#9491ee',
    500: '#5766e5',
    950: '#000000',
  },
}

SCSS

$custom: #5766e5;
$custom-light: #9491ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5766e5",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 229
  },
  "hsl": {
    "h": 233.662,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.56876,
    "c": 0.19114,
    "h": 273.6
  },
  "luminance": 0.17186
}

Semantic roles & 50–950 ramp

primary

#5766E5

secondary

#E6E1B2

accent

#C010D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766E5

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

Preview Lab → · Contrast checker → · Palette generator →