#5366C5#5366C5

#5366C5 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.4% C 0.148 H 272.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5366C5
RGB	rgb(83, 102, 197)
HSL	hsl(230, 50%, 55%)
HSV	hsv(230, 58%, 77%)
CMYK	cmyk(57.9%, 48.2%, 0%, 22.7%)
CIE-LAB	lab(46.14, 21.37, -51.96)
CIE-LCH	lch(46.14, 56.18, 292.35°)
OKLab	oklab(54.37% 0.0054 -0.1484)
OKLCH	oklch(54.37% 0.148 272.1)
XYZ	xyz(18.3934, 15.3716, 54.8102)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366C5 #C5B253

analogous

#539FC5 #5366C5 #7953C5

triadic

#5366C5 #C55366 #66C553

tetradic

#5366C5 #C5539F #C5B253 #53C579

square

#5366C5 #C5539F #C5B253 #53C579

split-complementary

#5366C5 #C57953 #9FC553

monochromatic

#283576 #3749A4 #5366C5 #818FD4 #AFB7E4

Accessibility & contrast

On white

5.15

#5366C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5366C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366C5

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366C5	#FFFFFF	#000000	##FFFFFF
##5366C5	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3772C8

Deuteranopia (green-blind)

#2569C3

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5366c5;
/* rgb */ color: rgb(83, 102, 197);
/* oklch */ color: oklch(54.4% 0.148 272.1);

Tailwind

colors: {
  custom: {
    50: '#8d91d7',
    500: '#5366c5',
    950: '#000000',
  },
}

SCSS

$custom: #5366c5;
$custom-light: #8d91d7;
$custom-dark: #000000;

JSON

{
  "hex": "#5366c5",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 197
  },
  "hsl": {
    "h": 230,
    "s": 49.565,
    "l": 54.902
  },
  "oklch": {
    "l": 0.54369,
    "c": 0.14849,
    "h": 272.1
  },
  "luminance": 0.15373
}

Semantic roles & 50–950 ramp

primary

#5366C5

secondary

#D2CAA2

accent

#C24FD9

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5366C5

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

Preview Lab → · Contrast checker → · Palette generator →