#528BB1#528BB1

#528BB1 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.3% C 0.083 H 239.3°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#528BB1
RGB	rgb(82, 139, 177)
HSL	hsl(204, 38%, 51%)
HSV	hsv(204, 54%, 69%)
CMYK	cmyk(53.7%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(55.51, -7.69, -25.70)
CIE-LCH	lch(55.51, 26.82, 253.34°)
OKLab	oklab(61.31% -0.0426 -0.0717)
OKLCH	oklch(61.31% 0.083 239.3)
XYZ	xyz(20.6452, 23.4317, 45.0213)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BB1 #B17852

analogous

#52B1A7 #528BB1 #525BB1

triadic

#528BB1 #B1528B #8BB152

tetradic

#528BB1 #A752B1 #B17852 #5BB152

square

#528BB1 #A752B1 #B17852 #5BB152

split-complementary

#528BB1 #B1525B #B1A752

monochromatic

#2A495E #3D6A88 #528BB1 #7CA7C4 #A6C4D7

Accessibility & contrast

On white

3.69

#528BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#528BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BB1

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BB1	#FFFFFF	#000000	##000000
##528BB1	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB3

Deuteranopia (green-blind)

#6D81B0

Tritanopia (blue-blind)

#159598

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #528bb1;
/* rgb */ color: rgb(82, 139, 177);
/* oklch */ color: oklch(61.3% 0.083 239.3);

Tailwind

colors: {
  custom: {
    50: '#89acc8',
    500: '#528bb1',
    950: '#000000',
  },
}

SCSS

$custom: #528bb1;
$custom-light: #89acc8;
$custom-dark: #000000;

JSON

{
  "hex": "#528bb1",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 204,
    "s": 37.849,
    "l": 50.784
  },
  "oklch": {
    "l": 0.6131,
    "c": 0.08338,
    "h": 239.3
  },
  "luminance": 0.23433
}

Semantic roles & 50–950 ramp

primary

#528BB1

secondary

#C4AB9A

accent

#885ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #528BB1

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

Preview Lab → · Contrast checker → · Palette generator →