#5766E4#5766E4

#5766E4 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.8% C 0.190 H 273.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5766E4
RGB	rgb(87, 102, 228)
HSL	hsl(234, 72%, 62%)
HSV	hsv(234, 62%, 89%)
CMYK	cmyk(61.8%, 55.3%, 0%, 10.6%)
CIE-LAB	lab(48.42, 32.45, -65.95)
CIE-LCH	lch(48.42, 73.50, 296.20°)
OKLab	oklab(56.8% 0.0119 -0.1894)
OKLCH	oklch(56.8% 0.19 273.6)
XYZ	xyz(22.6808, 17.1285, 75.4947)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766E4 #E4D557

analogous

#57ADE4 #5766E4 #8F57E4

triadic

#5766E4 #E45766 #66E457

tetradic

#5766E4 #E457AD #E4D557 #57E48F

square

#5766E4 #E457AD #E4D557 #57E48F

split-complementary

#5766E4 #E48F57 #ADE457

monochromatic

#1B29A6 #2337DB #5766E4 #8C96EC #C0C6F5

Accessibility & contrast

On white

4.74

#5766E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#5766E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766E4

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766E4	#FFFFFF	#000000	##FFFFFF
##5766E4	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E8

Deuteranopia (green-blind)

#006DE1

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5766e4;
/* rgb */ color: rgb(87, 102, 228);
/* oklch */ color: oklch(56.8% 0.190 273.6);

Tailwind

colors: {
  custom: {
    50: '#9491ed',
    500: '#5766e4',
    950: '#000000',
  },
}

SCSS

$custom: #5766e4;
$custom-light: #9491ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5766e4",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 228
  },
  "hsl": {
    "h": 233.617,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.56802,
    "c": 0.18981,
    "h": 273.6
  },
  "luminance": 0.1713
}

Semantic roles & 50–950 ramp

primary

#5766E4

secondary

#E6E0B1

accent

#C011D4

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766E4

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

Preview Lab → · Contrast checker → · Palette generator →