#5366DD#5366DD

#5366DD is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.0% C 0.181 H 272.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5366DD
RGB	rgb(83, 102, 221)
HSL	hsl(232, 67%, 60%)
HSV	hsv(232, 62%, 87%)
CMYK	cmyk(62.4%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(47.70, 29.44, -63.16)
CIE-LCH	lch(47.70, 69.69, 294.99°)
OKLab	oklab(56.05% 0.0075 -0.1813)
OKLCH	oklch(56.05% 0.181 272.4)
XYZ	xyz(21.3654, 16.5604, 70.4631)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366DD #DDCA53

analogous

#53ABDD #5366DD #8553DD

triadic

#5366DD #DD5366 #66DD53

tetradic

#5366DD #DD53AB #DDCA53 #53DD85

square

#5366DD #DD53AB #DDCA53 #53DD85

split-complementary

#5366DD #DD8553 #ABDD53

monochromatic

#1E2F98 #283ECB #5366DD #8693E7 #B9C1F1

Accessibility & contrast

On white

4.87

#5366DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#5366DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366DD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366DD	#FFFFFF	#000000	##FFFFFF
##5366DD	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F77E1

Deuteranopia (green-blind)

#006BDB

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5366dd;
/* rgb */ color: rgb(83, 102, 221);
/* oklch */ color: oklch(56.0% 0.181 272.4);

Tailwind

colors: {
  custom: {
    50: '#9091e8',
    500: '#5366dd',
    950: '#000000',
  },
}

SCSS

$custom: #5366dd;
$custom-light: #9091e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5366dd",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 231.739,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.56047,
    "c": 0.18149,
    "h": 272.4
  },
  "luminance": 0.16562
}

Semantic roles & 50–950 ramp

primary

#5366DD

secondary

#E1D9AB

accent

#D23EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366DD

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

Preview Lab → · Contrast checker → · Palette generator →