#528DF4#528DF4

#528DF4 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.166 H 260.7°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#528DF4
RGB	rgb(82, 141, 244)
HSL	hsl(218, 88%, 64%)
HSV	hsv(218, 66%, 96%)
CMYK	cmyk(66.4%, 42.2%, 0%, 4.3%)
CIE-LAB	lab(59.32, 13.23, -57.36)
CIE-LCH	lch(59.32, 58.86, 282.99°)
OKLab	oklab(65.34% -0.0268 -0.1638)
OKLCH	oklch(65.34% 0.166 260.7)
XYZ	xyz(29.3279, 27.3723, 89.3082)
Luminance	0.2737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DF4 #F4B952

analogous

#52DEF4 #528DF4 #6852F4

triadic

#528DF4 #F4528D #8DF452

tetradic

#528DF4 #F452DE #F4B952 #52F468

square

#528DF4 #F452DE #F4B952 #52F468

split-complementary

#528DF4 #F46852 #DEF452

monochromatic

#0C4DBF #1867F0 #528DF4 #8CB3F8 #C5D9FB

Accessibility & contrast

On white

3.24

#528DF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#528DF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DF4

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DF4	#FFFFFF	#000000	##000000
##528DF4	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C97F8

Deuteranopia (green-blind)

#4288F2

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528df4;
/* rgb */ color: rgb(82, 141, 244);
/* oklch */ color: oklch(65.3% 0.166 260.7);

Tailwind

colors: {
  custom: {
    50: '#92adf8',
    500: '#528df4',
    950: '#000000',
  },
}

SCSS

$custom: #528df4;
$custom-light: #92adf8;
$custom-dark: #000000;

JSON

{
  "hex": "#528df4",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 244
  },
  "hsl": {
    "h": 218.148,
    "s": 88.043,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65342,
    "c": 0.16593,
    "h": 260.7
  },
  "luminance": 0.27375
}

Semantic roles & 50–950 ramp

primary

#528DF4

secondary

#EDD9B4

accent

#9201E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528DF4

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

Preview Lab → · Contrast checker → · Palette generator →