#528BDE#528BDE

#528BDE is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.139 H 257.8°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#528BDE
RGBrgb(82, 139, 222)
HSLhsl(216, 68%, 60%)
HSVhsv(216, 63%, 87%)
CMYKcmyk(63.1%, 37.4%, 0%, 12.9%)
CIE-LABlab(57.59, 6.93, -47.89)
CIE-LCHlch(57.59, 48.39, 278.24°)
OKLaboklab(63.62% -0.0294 -0.136)
OKLCHoklch(63.62% 0.139 257.8)
XYZxyz(25.8924, 25.5306, 72.6564)
Luminance0.2553 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#528BDE #DEA552
analogous
#52D1DE #528BDE #5F52DE
triadic
#528BDE #DE528B #8BDE52
tetradic
#528BDE #DE52D1 #DEA552 #52DE5F
square
#528BDE #DE52D1 #DEA552 #52DE5F
split-complementary
#528BDE #DE5F52 #D1DE52
monochromatic
#1D4F99 #276ACC #528BDE #85ADE8 #B9D0F2

Accessibility & contrast

On white

3.44
#528BDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.11
#528BDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BDE
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##528BDE#FFFFFF#000000##000000
##528BDE1.003.446.116.11
#FFFFFF3.441.0021.0021.00
#0000006.1121.001.001.00
##0000006.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6791E1
Deuteranopia (green-blind)
#5384DC
Tritanopia (blue-blind)
#009EAA
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #528bde;
/* rgb */ color: rgb(82, 139, 222);
/* oklch */ color: oklch(63.6% 0.139 257.8);
Tailwind
colors: {
  custom: {
    50: '#8face9',
    500: '#528bde',
    950: '#000000',
  },
}
SCSS
$custom: #528bde;
$custom-light: #8face9;
$custom-dark: #000000;
JSON
{
  "hex": "#528bde",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 215.571,
    "s": 67.961,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63619,
    "c": 0.13917,
    "h": 257.8
  },
  "luminance": 0.25533
}

Semantic roles & 50–950 ramp

primary
#528BDE
secondary
#E1CBAB
accent
#A43DEB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #528BDE

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

Preview Lab → · Contrast checker → · Palette generator →

#528BDE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva