#528DB1#528DB1

#528DB1 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.8% C 0.082 H 237.0°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#528DB1
RGB	rgb(82, 141, 177)
HSL	hsl(203, 38%, 51%)
HSV	hsv(203, 54%, 69%)
CMYK	cmyk(53.7%, 20.3%, 0%, 30.6%)
CIE-LAB	lab(56.10, -8.82, -24.79)
CIE-LCH	lch(56.10, 26.31, 250.41°)
OKLab	oklab(61.78% -0.0449 -0.0691)
OKLCH	oklch(61.78% 0.082 237)
XYZ	xyz(20.9375, 24.0162, 45.1187)
Luminance	0.2402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DB1 #B17652

analogous

#52B1A6 #528DB1 #525DB1

triadic

#528DB1 #B1528D #8DB152

tetradic

#528DB1 #A652B1 #B17652 #5DB152

square

#528DB1 #A652B1 #B17652 #5DB152

split-complementary

#528DB1 #B1525D #B1A652

monochromatic

#2A4B5E #3D6C88 #528DB1 #7CA9C4 #A6C5D7

Accessibility & contrast

On white

3.62

#528DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#528DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DB1

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DB1	#FFFFFF	#000000	##000000
##528DB1	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB3

Deuteranopia (green-blind)

#6F82B0

Tritanopia (blue-blind)

#149699

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #528db1;
/* rgb */ color: rgb(82, 141, 177);
/* oklch */ color: oklch(61.8% 0.082 237.0);

Tailwind

colors: {
  custom: {
    50: '#89aec8',
    500: '#528db1',
    950: '#000000',
  },
}

SCSS

$custom: #528db1;
$custom-light: #89aec8;
$custom-dark: #000000;

JSON

{
  "hex": "#528db1",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 177
  },
  "hsl": {
    "h": 202.737,
    "s": 37.849,
    "l": 50.784
  },
  "oklch": {
    "l": 0.61777,
    "c": 0.08241,
    "h": 237
  },
  "luminance": 0.24018
}

Semantic roles & 50–950 ramp

primary

#528DB1

secondary

#C4AA9A

accent

#865ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528DB1

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

Preview Lab → · Contrast checker → · Palette generator →