#528FE9#528FE9

#528FE9 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.149 H 258.1°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#528FE9
RGB	rgb(82, 143, 233)
HSL	hsl(216, 77%, 62%)
HSV	hsv(216, 65%, 91%)
CMYK	cmyk(64.8%, 38.6%, 0%, 8.6%)
CIE-LAB	lab(59.27, 8.28, -51.35)
CIE-LCH	lch(59.27, 52.01, 279.16°)
OKLab	oklab(65.11% -0.0309 -0.1461)
OKLCH	oklch(65.11% 0.149 258.1)
XYZ	xyz(28.0048, 27.3192, 80.8723)
Luminance	0.2732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FE9 #E9AC52

analogous

#52DAE9 #528FE9 #6152E9

triadic

#528FE9 #E9528F #8FE952

tetradic

#528FE9 #E952DA #E9AC52 #52E961

square

#528FE9 #E952DA #E9AC52 #52E961

split-complementary

#528FE9 #E96152 #DAE952

monochromatic

#1652AB #1D6CE1 #528FE9 #88B2F0 #BFD5F7

Accessibility & contrast

On white

3.25

#528FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#528FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FE9

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FE9	#FFFFFF	#000000	##000000
##528FE9	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796ED

Deuteranopia (green-blind)

#5188E7

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528fe9;
/* rgb */ color: rgb(82, 143, 233);
/* oklch */ color: oklch(65.1% 0.149 258.1);

Tailwind

colors: {
  custom: {
    50: '#91aff0',
    500: '#528fe9',
    950: '#000000',
  },
}

SCSS

$custom: #528fe9;
$custom-light: #91aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#528fe9",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 233
  },
  "hsl": {
    "h": 215.762,
    "s": 77.436,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65111,
    "c": 0.14934,
    "h": 258.1
  },
  "luminance": 0.27322
}

Semantic roles & 50–950 ramp

primary

#528FE9

secondary

#E7D1AF

accent

#870CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528FE9

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

Preview Lab → · Contrast checker → · Palette generator →