#5366E1#5366E1

#5366E1 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.3% C 0.187 H 272.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5366E1
RGB	rgb(83, 102, 225)
HSL	hsl(232, 70%, 60%)
HSV	hsv(232, 63%, 88%)
CMYK	cmyk(63.1%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(47.98, 30.79, -64.98)
CIE-LCH	lch(47.98, 71.91, 295.35°)
OKLab	oklab(56.34% 0.0076 -0.1867)
OKLCH	oklch(56.34% 0.187 272.3)
XYZ	xyz(21.9047, 16.7761, 73.3033)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366E1 #E1CE53

analogous

#53ADE1 #5366E1 #8753E1

triadic

#5366E1 #E15366 #66E153

tetradic

#5366E1 #E153AD #E1CE53 #53E187

square

#5366E1 #E153AD #E1CE53 #53E187

split-complementary

#5366E1 #E18753 #ADE153

monochromatic

#1C2D9E #253CD2 #5366E1 #8794EA #BBC3F3

Accessibility & contrast

On white

4.82

#5366E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#5366E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366E1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366E1	#FFFFFF	#000000	##FFFFFF
##5366E1	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006CDF

Tritanopia (blue-blind)

#00839A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5366e1;
/* rgb */ color: rgb(83, 102, 225);
/* oklch */ color: oklch(56.3% 0.187 272.3);

Tailwind

colors: {
  custom: {
    50: '#9191eb',
    500: '#5366e1',
    950: '#000000',
  },
}

SCSS

$custom: #5366e1;
$custom-light: #9191eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5366e1",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 231.972,
    "s": 70.297,
    "l": 60.392
  },
  "oklch": {
    "l": 0.56341,
    "c": 0.18686,
    "h": 272.3
  },
  "luminance": 0.16778
}

Semantic roles & 50–950 ramp

primary

#5366E1

secondary

#E3DCAD

accent

#B913D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366E1

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

Preview Lab → · Contrast checker → · Palette generator →