#528AE9#528AE9

#528AE9 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.0% C 0.155 H 260.3°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#528AE9
RGB	rgb(82, 138, 233)
HSL	hsl(218, 77%, 62%)
HSV	hsv(218, 65%, 91%)
CMYK	cmyk(64.8%, 40.8%, 0%, 8.6%)
CIE-LAB	lab(57.90, 11.26, -53.53)
CIE-LCH	lch(57.90, 54.71, 281.88°)
OKLab	oklab(64.05% -0.026 -0.1526)
OKLCH	oklch(64.05% 0.155 260.3)
XYZ	xyz(27.2709, 25.8514, 80.6276)
Luminance	0.2585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528AE9 #E9B152

analogous

#52D6E9 #528AE9 #6652E9

triadic

#528AE9 #E9528A #8AE952

tetradic

#528AE9 #E952D6 #E9B152 #52E966

square

#528AE9 #E952D6 #E9B152 #52E966

split-complementary

#528AE9 #E96652 #D6E952

monochromatic

#164DAB #1D66E1 #528AE9 #88AFF0 #BFD3F7

Accessibility & contrast

On white

3.40

#528AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#528AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528AE9

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528AE9	#FFFFFF	#000000	##000000
##528AE9	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F93ED

Deuteranopia (green-blind)

#4885E7

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #528ae9;
/* rgb */ color: rgb(82, 138, 233);
/* oklch */ color: oklch(64.0% 0.155 260.3);

Tailwind

colors: {
  custom: {
    50: '#91abf0',
    500: '#528ae9',
    950: '#000000',
  },
}

SCSS

$custom: #528ae9;
$custom-light: #91abf0;
$custom-dark: #000000;

JSON

{
  "hex": "#528ae9",
  "rgb": {
    "r": 82,
    "g": 138,
    "b": 233
  },
  "hsl": {
    "h": 217.748,
    "s": 77.436,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64047,
    "c": 0.15479,
    "h": 260.3
  },
  "luminance": 0.25854
}

Semantic roles & 50–950 ramp

primary

#528AE9

secondary

#E7D3AF

accent

#8D0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528AE9

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

Preview Lab → · Contrast checker → · Palette generator →