#528FBB#528FBB

#528FBB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.092 H 241.6°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX#528FBB
RGBrgb(82, 143, 187)
HSLhsl(205, 44%, 53%)
HSVhsv(205, 56%, 73%)
CMYKcmyk(56.1%, 23.5%, 0%, 26.7%)
CIE-LABlab(57.10, -6.84, -28.94)
CIE-LCHlch(57.10, 29.74, 256.69°)
OKLaboklab(62.7% -0.0438 -0.081)
OKLCHoklch(62.7% 0.092 241.6)
XYZxyz(22.2685, 25.0247, 50.6608)
Luminance0.2503 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#528FBB #BB7E52
analogous
#52BBB2 #528FBB #525ABB
triadic
#528FBB #BB528F #8FBB52
tetradic
#528FBB #B252BB #BB7E52 #5ABB52
square
#528FBB #B252BB #BB7E52 #5ABB52
split-complementary
#528FBB #BB525A #BBB252
monochromatic
#294E69 #3B6F95 #528FBB #7EABCC #AAC8DE

Accessibility & contrast

On white

3.50
#528FBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.01
#528FBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FBB
6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##528FBB#FFFFFF#000000##000000
##528FBB1.003.506.016.01
#FFFFFF3.501.0021.0021.00
#0000006.0121.001.001.00
##0000006.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8FBD
Deuteranopia (green-blind)
#6D84BA
Tritanopia (blue-blind)
#009A9E
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #528fbb;
/* rgb */ color: rgb(82, 143, 187);
/* oklch */ color: oklch(62.7% 0.092 241.6);
Tailwind
colors: {
  custom: {
    50: '#8aafcf',
    500: '#528fbb',
    950: '#000000',
  },
}
SCSS
$custom: #528fbb;
$custom-light: #8aafcf;
$custom-dark: #000000;
JSON
{
  "hex": "#528fbb",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 205.143,
    "s": 43.568,
    "l": 52.745
  },
  "oklch": {
    "l": 0.627,
    "c": 0.09206,
    "h": 241.6
  },
  "luminance": 0.25027
}

Semantic roles & 50–950 ramp

primary
#528FBB
secondary
#CBB19E
accent
#8A54D3
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #528FBB

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

Preview Lab → · Contrast checker → · Palette generator →

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