#528BB3#528BB3

#528BB3 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.4% C 0.086 H 240.7°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#528BB3
RGB	rgb(82, 139, 179)
HSL	hsl(205, 39%, 51%)
HSV	hsv(205, 54%, 70%)
CMYK	cmyk(54.2%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(55.60, -7.07, -26.72)
CIE-LCH	lch(55.60, 27.64, 255.17°)
OKLab	oklab(61.4% -0.0419 -0.0746)
OKLCH	oklch(61.4% 0.086 240.7)
XYZ	xyz(20.8460, 23.5120, 46.0788)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BB3 #B37A52

analogous

#52B3AA #528BB3 #525AB3

triadic

#528BB3 #B3528B #8BB352

tetradic

#528BB3 #AA52B3 #B37A52 #5AB352

square

#528BB3 #AA52B3 #B37A52 #5AB352

split-complementary

#528BB3 #B3525A #B3AA52

monochromatic

#2A4A60 #3D6B8B #528BB3 #7DA8C6 #A7C4D8

Accessibility & contrast

On white

3.68

#528BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#528BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BB3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BB3	#FFFFFF	#000000	##000000
##528BB3	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB5

Deuteranopia (green-blind)

#6C81B2

Tritanopia (blue-blind)

#119598

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #528bb3;
/* rgb */ color: rgb(82, 139, 179);
/* oklch */ color: oklch(61.4% 0.086 240.7);

Tailwind

colors: {
  custom: {
    50: '#89acca',
    500: '#528bb3',
    950: '#000000',
  },
}

SCSS

$custom: #528bb3;
$custom-light: #89acca;
$custom-dark: #000000;

JSON

{
  "hex": "#528bb3",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 204.742,
    "s": 38.956,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61402,
    "c": 0.08556,
    "h": 240.7
  },
  "luminance": 0.23514
}

Semantic roles & 50–950 ramp

primary

#528BB3

secondary

#C6AD9B

accent

#8A59CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528BB3

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

Preview Lab → · Contrast checker → · Palette generator →