#5366D5#5366D5

#5366D5 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.5% C 0.171 H 272.3°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5366D5
RGB	rgb(83, 102, 213)
HSL	hsl(231, 61%, 58%)
HSV	hsv(231, 61%, 84%)
CMYK	cmyk(61%, 52.1%, 0%, 16.5%)
CIE-LAB	lab(47.16, 26.74, -59.49)
CIE-LCH	lch(47.16, 65.22, 294.21°)
OKLab	oklab(55.47% 0.007 -0.1705)
OKLCH	oklch(55.47% 0.171 272.3)
XYZ	xyz(20.3249, 16.1442, 64.9830)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366D5 #D5C253

analogous

#53A7D5 #5366D5 #8153D5

triadic

#5366D5 #D55366 #66D553

tetradic

#5366D5 #D553A7 #D5C253 #53D581

square

#5366D5 #D553A7 #D5C253 #53D581

split-complementary

#5366D5 #D58153 #A7D553

monochromatic

#22318C #2E43BD #5366D5 #8492E1 #B5BEED

Accessibility & contrast

On white

4.97

#5366D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#5366D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366D5

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366D5	#FFFFFF	#000000	##FFFFFF
##5366D5	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2376D9

Deuteranopia (green-blind)

#006AD3

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5366d5;
/* rgb */ color: rgb(83, 102, 213);
/* oklch */ color: oklch(55.5% 0.171 272.3);

Tailwind

colors: {
  custom: {
    50: '#8f91e3',
    500: '#5366d5',
    950: '#000000',
  },
}

SCSS

$custom: #5366d5;
$custom-light: #8f91e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5366d5",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 213
  },
  "hsl": {
    "h": 231.231,
    "s": 60.748,
    "l": 58.039
  },
  "oklch": {
    "l": 0.55471,
    "c": 0.17066,
    "h": 272.3
  },
  "luminance": 0.16146
}

Semantic roles & 50–950 ramp

primary

#5366D5

secondary

#DCD4A8

accent

#CC44E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C15

muted

#7E7D84

Preview Lab

Preview with #5366D5

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

Preview Lab → · Contrast checker → · Palette generator →