#5366B4#5366B4

#5366B4 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.124 H 271.3°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5366B4
RGB	rgb(83, 102, 180)
HSL	hsl(228, 39%, 52%)
HSV	hsv(228, 54%, 71%)
CMYK	cmyk(53.9%, 43.3%, 0%, 29.4%)
CIE-LAB	lab(45.13, 15.73, -43.71)
CIE-LCH	lch(45.13, 46.46, 289.79°)
OKLab	oklab(53.27% 0.0029 -0.1242)
OKLCH	oklch(53.27% 0.124 271.3)
XYZ	xyz(16.5542, 14.6359, 45.1238)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366B4 #B4A153

analogous

#5397B4 #5366B4 #7153B4

triadic

#5366B4 #B45366 #66B453

tetradic

#5366B4 #B45397 #B4A153 #53B471

square

#5366B4 #B45397 #B4A153 #53B471

split-complementary

#5366B4 #B47153 #97B453

monochromatic

#2B3662 #3D4D8D #5366B4 #7E8CC7 #A8B2D9

Accessibility & contrast

On white

5.35

#5366B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5366B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366B4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366B4	#FFFFFF	#000000	##FFFFFF
##5366B4	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456FB7

Deuteranopia (green-blind)

#3A67B2

Tritanopia (blue-blind)

#237784

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5366b4;
/* rgb */ color: rgb(83, 102, 180);
/* oklch */ color: oklch(53.3% 0.124 271.3);

Tailwind

colors: {
  custom: {
    50: '#8a91cb',
    500: '#5366b4',
    950: '#000000',
  },
}

SCSS

$custom: #5366b4;
$custom-light: #8a91cb;
$custom-dark: #000000;

JSON

{
  "hex": "#5366b4",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 180
  },
  "hsl": {
    "h": 228.247,
    "s": 39.271,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53275,
    "c": 0.1242,
    "h": 271.3
  },
  "luminance": 0.14637
}

Semantic roles & 50–950 ramp

primary

#5366B4

secondary

#C7BE9C

accent

#B859CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5366B4

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

Preview Lab → · Contrast checker → · Palette generator →