#528CB3#528CB3

#528CB3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.6% C 0.085 H 239.6°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#528CB3
RGB	rgb(82, 140, 179)
HSL	hsl(204, 39%, 51%)
HSV	hsv(204, 54%, 70%)
CMYK	cmyk(54.2%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(55.89, -7.64, -26.26)
CIE-LCH	lch(55.89, 27.35, 253.78°)
OKLab	oklab(61.63% -0.043 -0.0733)
OKLCH	oklch(61.63% 0.085 239.6)
XYZ	xyz(20.9915, 23.8029, 46.1273)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CB3 #B37952

analogous

#52B3A9 #528CB3 #525BB3

triadic

#528CB3 #B3528C #8CB352

tetradic

#528CB3 #A952B3 #B37952 #5BB352

square

#528CB3 #A952B3 #B37952 #5BB352

split-complementary

#528CB3 #B3525B #B3A952

monochromatic

#2A4B60 #3D6C8B #528CB3 #7DA8C6 #A7C5D8

Accessibility & contrast

On white

3.65

#528CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#528CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CB3

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CB3	#FFFFFF	#000000	##000000
##528CB3	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB5

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#109699

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #528cb3;
/* rgb */ color: rgb(82, 140, 179);
/* oklch */ color: oklch(61.6% 0.085 239.6);

Tailwind

colors: {
  custom: {
    50: '#89adca',
    500: '#528cb3',
    950: '#000000',
  },
}

SCSS

$custom: #528cb3;
$custom-light: #89adca;
$custom-dark: #000000;

JSON

{
  "hex": "#528cb3",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 204.124,
    "s": 38.956,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61634,
    "c": 0.08501,
    "h": 239.6
  },
  "luminance": 0.23805
}

Semantic roles & 50–950 ramp

primary

#528CB3

secondary

#C6AC9B

accent

#8859CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528CB3

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

Preview Lab → · Contrast checker → · Palette generator →