#528BB5#528BB5

#528BB5 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.088 H 242.0°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX#528BB5
RGBrgb(82, 139, 181)
HSLhsl(205, 40%, 52%)
HSVhsv(205, 55%, 71%)
CMYKcmyk(54.7%, 23.2%, 0%, 29%)
CIE-LABlab(55.68, -6.45, -27.73)
CIE-LCHlch(55.68, 28.47, 256.91°)
OKLaboklab(61.49% -0.0412 -0.0775)
OKLCHoklch(61.49% 0.088 242)
XYZxyz(21.0498, 23.5935, 47.1518)
Luminance0.2359 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#528BB5 #B57C52
analogous
#52B5AE #528BB5 #525AB5
triadic
#528BB5 #B5528B #8BB552
tetradic
#528BB5 #AE52B5 #B57C52 #5AB552
square
#528BB5 #AE52B5 #B57C52 #5AB552
split-complementary
#528BB5 #B5525A #B5AE52
monochromatic
#2A4B62 #3C6B8D #528BB5 #7DA8C7 #A8C4DA

Accessibility & contrast

On white

3.67
#528BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.72
#528BB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BB5
5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##528BB5#FFFFFF#000000##000000
##528BB51.003.675.725.72
#FFFFFF3.671.0021.0021.00
#0000005.7221.001.001.00
##0000005.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#798BB7
Deuteranopia (green-blind)
#6B81B4
Tritanopia (blue-blind)
#0C9599
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #528bb5;
/* rgb */ color: rgb(82, 139, 181);
/* oklch */ color: oklch(61.5% 0.088 242.0);
Tailwind
colors: {
  custom: {
    50: '#8aaccb',
    500: '#528bb5',
    950: '#000000',
  },
}
SCSS
$custom: #528bb5;
$custom-light: #8aaccb;
$custom-dark: #000000;
JSON
{
  "hex": "#528bb5",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 205.455,
    "s": 40.081,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61494,
    "c": 0.08777,
    "h": 242
  },
  "luminance": 0.23595
}

Semantic roles & 50–950 ramp

primary
#528BB5
secondary
#C7AE9C
accent
#8B58D0
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #528BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#528BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva