#5766E8#5766E8

#5766E8 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.1% C 0.195 H 273.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5766E8
RGB	rgb(87, 102, 232)
HSL	hsl(234, 76%, 63%)
HSV	hsv(234, 63%, 91%)
CMYK	cmyk(62.5%, 56%, 0%, 9%)
CIE-LAB	lab(48.70, 33.78, -67.74)
CIE-LCH	lch(48.70, 75.70, 296.50°)
OKLab	oklab(57.1% 0.0121 -0.1947)
OKLCH	oklch(57.1% 0.195 273.5)
XYZ	xyz(23.2425, 17.3532, 78.4530)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766E8 #E8D957

analogous

#57AFE8 #5766E8 #9057E8

triadic

#5766E8 #E85766 #66E857

tetradic

#5766E8 #E857AF #E8D957 #57E890

square

#5766E8 #E857AF #E8D957 #57E890

split-complementary

#5766E8 #E89057 #AFE857

monochromatic

#1827AD #2135E1 #5766E8 #8D97EF #C3C8F7

Accessibility & contrast

On white

4.70

#5766E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#5766E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766E8

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766E8	#FFFFFF	#000000	##FFFFFF
##5766E8	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEC

Deuteranopia (green-blind)

#006DE5

Tritanopia (blue-blind)

#00859D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5766e8;
/* rgb */ color: rgb(87, 102, 232);
/* oklch */ color: oklch(57.1% 0.195 273.5);

Tailwind

colors: {
  custom: {
    50: '#9491f0',
    500: '#5766e8',
    950: '#000000',
  },
}

SCSS

$custom: #5766e8;
$custom-light: #9491f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5766e8",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 232
  },
  "hsl": {
    "h": 233.793,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.571,
    "c": 0.19509,
    "h": 273.5
  },
  "luminance": 0.17355
}

Semantic roles & 50–950 ramp

primary

#5766E8

secondary

#E8E2B3

accent

#C30DD8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #5766E8

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

Preview Lab → · Contrast checker → · Palette generator →