#528E9B#528E9B

#528E9B is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.065 H 213.2°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#528E9B
RGBrgb(82, 142, 155)
HSLhsl(191, 31%, 46%)
HSVhsv(191, 47%, 61%)
CMYKcmyk(47.1%, 8.4%, 0%, 39.2%)
CIE-LABlab(55.59, -15.88, -12.97)
CIE-LCHlch(55.59, 20.50, 219.24°)
OKLaboklab(61.1% -0.0547 -0.0357)
OKLCHoklch(61.1% 0.065 213.2)
XYZxyz(19.0669, 23.5049, 34.5361)
Luminance0.2351 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#528E9B #9B5F52
analogous
#529B84 #528E9B #526A9B
triadic
#528E9B #9B528E #8E9B52
tetradic
#528E9B #84529B #9B5F52 #6A9B52
square
#528E9B #84529B #9B5F52 #6A9B52
split-complementary
#528E9B #9B526A #9B8452
monochromatic
#28454B #3D6973 #528E9B #74AAB6 #9DC3CB

Accessibility & contrast

On white

3.68
#528E9B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#528E9B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528E9B
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##528E9B#FFFFFF#000000##000000
##528E9B1.003.685.705.70
#FFFFFF3.681.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#848A9C
Deuteranopia (green-blind)
#78819B
Tritanopia (blue-blind)
#2D9392
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #528e9b;
/* rgb */ color: rgb(82, 142, 155);
/* oklch */ color: oklch(61.1% 0.065 213.2);
Tailwind
colors: {
  custom: {
    50: '#87afb8',
    500: '#528e9b',
    950: '#000000',
  },
}
SCSS
$custom: #528e9b;
$custom-light: #87afb8;
$custom-dark: #000000;
JSON
{
  "hex": "#528e9b",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 155
  },
  "hsl": {
    "h": 190.685,
    "s": 30.802,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61097,
    "c": 0.06532,
    "h": 213.2
  },
  "luminance": 0.23506
}

Semantic roles & 50–950 ramp

primary
#528E9B
secondary
#B89891
accent
#7361C7
background
#F8FAFB
surface
#F0F4F6
border
#CBCED0
text
#0C1011
muted
#7D7F80

Preview Lab

Preview with #528E9B

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

Preview Lab → · Contrast checker → · Palette generator →

#528E9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva