#5366D8#5366D8

#5366D8 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.175 H 272.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5366D8
RGB	rgb(83, 102, 216)
HSL	hsl(231, 63%, 59%)
HSV	hsv(231, 62%, 85%)
CMYK	cmyk(61.6%, 52.8%, 0%, 15.3%)
CIE-LAB	lab(47.36, 27.75, -60.87)
CIE-LCH	lch(47.36, 66.90, 294.51°)
OKLab	oklab(55.68% 0.0072 -0.1746)
OKLCH	oklch(55.68% 0.175 272.3)
XYZ	xyz(20.7092, 16.2979, 67.0069)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366D8 #D8C553

analogous

#53A8D8 #5366D8 #8253D8

triadic

#5366D8 #D85366 #66D853

tetradic

#5366D8 #D853A8 #D8C553 #53D882

square

#5366D8 #D853A8 #D8C553 #53D882

split-complementary

#5366D8 #D88253 #A8D853

monochromatic

#213190 #2C41C2 #5366D8 #8592E3 #B7BFEF

Accessibility & contrast

On white

4.93

#5366D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#5366D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366D8

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366D8	#FFFFFF	#000000	##FFFFFF
##5366D8	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D76DC

Deuteranopia (green-blind)

#006BD6

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5366d8;
/* rgb */ color: rgb(83, 102, 216);
/* oklch */ color: oklch(55.7% 0.175 272.3);

Tailwind

colors: {
  custom: {
    50: '#9091e5',
    500: '#5366d8',
    950: '#000000',
  },
}

SCSS

$custom: #5366d8;
$custom-light: #9091e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5366d8",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 231.429,
    "s": 63.033,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55685,
    "c": 0.17475,
    "h": 272.3
  },
  "luminance": 0.163
}

Semantic roles & 50–950 ramp

primary

#5366D8

secondary

#DED6A9

accent

#CF42E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366D8

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

Preview Lab → · Contrast checker → · Palette generator →