#528FB5#528FB5

#528FB5 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.086 H 237.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#528FB5
RGB	rgb(82, 143, 181)
HSL	hsl(203, 40%, 52%)
HSV	hsv(203, 55%, 71%)
CMYK	cmyk(54.7%, 21%, 0%, 29%)
CIE-LAB	lab(56.85, -8.71, -25.91)
CIE-LCH	lch(56.85, 27.34, 251.41°)
OKLab	oklab(62.42% -0.0458 -0.0723)
OKLCH	oklch(62.42% 0.086 237.6)
XYZ	xyz(21.6396, 24.7731, 47.3484)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FB5 #B57852

analogous

#52B5AA #528FB5 #525EB5

triadic

#528FB5 #B5528F #8FB552

tetradic

#528FB5 #AA52B5 #B57852 #5EB552

square

#528FB5 #AA52B5 #B57852 #5EB552

split-complementary

#528FB5 #B5525E #B5AA52

monochromatic

#2A4D62 #3C6E8D #528FB5 #7DABC7 #A8C7DA

Accessibility & contrast

On white

3.53

#528FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#528FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FB5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FB5	#FFFFFF	#000000	##000000
##528FB5	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB7

Deuteranopia (green-blind)

#7084B4

Tritanopia (blue-blind)

#07999C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #528fb5;
/* rgb */ color: rgb(82, 143, 181);
/* oklch */ color: oklch(62.4% 0.086 237.6);

Tailwind

colors: {
  custom: {
    50: '#8aafcb',
    500: '#528fb5',
    950: '#000000',
  },
}

SCSS

$custom: #528fb5;
$custom-light: #8aafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#528fb5",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 203.03,
    "s": 40.081,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62424,
    "c": 0.08561,
    "h": 237.6
  },
  "luminance": 0.24775
}

Semantic roles & 50–950 ramp

primary

#528FB5

secondary

#C7AC9C

accent

#8658D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528FB5

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

Preview Lab → · Contrast checker → · Palette generator →