#528FB9#528FB9

#528FB9 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.090 H 240.4°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#528FB9
RGB	rgb(82, 143, 185)
HSL	hsl(204, 42%, 52%)
HSV	hsv(204, 56%, 73%)
CMYK	cmyk(55.7%, 22.7%, 0%, 27.5%)
CIE-LAB	lab(57.02, -7.47, -27.94)
CIE-LCH	lch(57.02, 28.92, 255.03°)
OKLab	oklab(62.61% -0.0444 -0.0781)
OKLCH	oklch(62.61% 0.09 240.4)
XYZ	xyz(22.0559, 24.9396, 49.5411)
Luminance	0.2494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FB9 #B97C52

analogous

#52B9B0 #528FB9 #525CB9

triadic

#528FB9 #B9528F #8FB952

tetradic

#528FB9 #B052B9 #B97C52 #5CB952

square

#528FB9 #B052B9 #B97C52 #5CB952

split-complementary

#528FB9 #B9525C #B9B052

monochromatic

#2A4E67 #3B6F93 #528FB9 #7EABCB #A9C7DC

Accessibility & contrast

On white

3.51

#528FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#528FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FB9

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FB9	#FFFFFF	#000000	##000000
##528FB9	1.00	3.51	5.99	5.99
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBB

Deuteranopia (green-blind)

#6E84B8

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #528fb9;
/* rgb */ color: rgb(82, 143, 185);
/* oklch */ color: oklch(62.6% 0.090 240.4);

Tailwind

colors: {
  custom: {
    50: '#8aafce',
    500: '#528fb9',
    950: '#000000',
  },
}

SCSS

$custom: #528fb9;
$custom-light: #8aafce;
$custom-dark: #000000;

JSON

{
  "hex": "#528fb9",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 185
  },
  "hsl": {
    "h": 204.466,
    "s": 42.387,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62607,
    "c": 0.08985,
    "h": 240.4
  },
  "luminance": 0.24942
}

Semantic roles & 50–950 ramp

primary

#528FB9

secondary

#CAAF9D

accent

#8856D2

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528FB9

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

Preview Lab → · Contrast checker → · Palette generator →