#528EB3#528EB3

#528EB3 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.1% C 0.084 H 237.3°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX#528EB3
RGBrgb(82, 142, 179)
HSLhsl(203, 39%, 51%)
HSVhsv(203, 54%, 70%)
CMYKcmyk(54.2%, 20.7%, 0%, 29.8%)
CIE-LABlab(56.48, -8.77, -25.35)
CIE-LCHlch(56.48, 26.83, 250.92°)
OKLaboklab(62.1% -0.0454 -0.0707)
OKLCHoklch(62.1% 0.084 237.3)
XYZxyz(21.2864, 24.3927, 46.2256)
Luminance0.2440 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#528EB3 #B37752
analogous
#52B3A7 #528EB3 #525DB3
triadic
#528EB3 #B3528E #8EB352
tetradic
#528EB3 #A752B3 #B37752 #5DB352
square
#528EB3 #A752B3 #B37752 #5DB352
split-complementary
#528EB3 #B3525D #B3A752
monochromatic
#2A4C60 #3D6D8B #528EB3 #7DAAC6 #A7C6D8

Accessibility & contrast

On white

3.57
#528EB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.88
#528EB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EB3
5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##528EB3#FFFFFF#000000##000000
##528EB31.003.575.885.88
#FFFFFF3.571.0021.0021.00
#0000005.8821.001.001.00
##0000005.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8DB5
Deuteranopia (green-blind)
#7083B2
Tritanopia (blue-blind)
#0F979A
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #528eb3;
/* rgb */ color: rgb(82, 142, 179);
/* oklch */ color: oklch(62.1% 0.084 237.3);
Tailwind
colors: {
  custom: {
    50: '#89afca',
    500: '#528eb3',
    950: '#000000',
  },
}
SCSS
$custom: #528eb3;
$custom-light: #89afca;
$custom-dark: #000000;
JSON
{
  "hex": "#528eb3",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 202.887,
    "s": 38.956,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62101,
    "c": 0.08402,
    "h": 237.3
  },
  "luminance": 0.24395
}

Semantic roles & 50–950 ramp

primary
#528EB3
secondary
#C6AB9B
accent
#8659CF
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #528EB3

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

Preview Lab → · Contrast checker → · Palette generator →

#528EB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva