#5766E1#5766E1

#5766E1 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.6% C 0.186 H 273.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5766E1
RGB	rgb(87, 102, 225)
HSL	hsl(233, 70%, 61%)
HSV	hsv(233, 61%, 88%)
CMYK	cmyk(61.3%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(48.21, 31.45, -64.59)
CIE-LCH	lch(48.21, 71.84, 295.96°)
OKLab	oklab(56.58% 0.0118 -0.1854)
OKLCH	oklch(56.58% 0.186 273.7)
XYZ	xyz(22.2680, 16.9634, 73.3204)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766E1 #E1D257

analogous

#57ABE1 #5766E1 #8D57E1

triadic

#5766E1 #E15766 #66E157

tetradic

#5766E1 #E157AB #E1D257 #57E18D

square

#5766E1 #E157AB #E1D257 #57E18D

split-complementary

#5766E1 #E18D57 #ABE157

monochromatic

#1D2BA1 #2639D5 #5766E1 #8B95EA #BFC5F4

Accessibility & contrast

On white

4.78

#5766E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#5766E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766E1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766E1	#FFFFFF	#000000	##FFFFFF
##5766E1	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E5

Deuteranopia (green-blind)

#006DDE

Tritanopia (blue-blind)

#00839A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5766e1;
/* rgb */ color: rgb(87, 102, 225);
/* oklch */ color: oklch(56.6% 0.186 273.7);

Tailwind

colors: {
  custom: {
    50: '#9391eb',
    500: '#5766e1',
    950: '#000000',
  },
}

SCSS

$custom: #5766e1;
$custom-light: #9391eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5766e1",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 233.478,
    "s": 69.697,
    "l": 61.176
  },
  "oklch": {
    "l": 0.56581,
    "c": 0.18582,
    "h": 273.7
  },
  "luminance": 0.16965
}

Semantic roles & 50–950 ramp

primary

#5766E1

secondary

#E4DEB0

accent

#BD14D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5766E1

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

Preview Lab → · Contrast checker → · Palette generator →