#528DF3#528DF3

#528DF3 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.3% C 0.165 H 260.6°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#528DF3
RGB	rgb(82, 141, 243)
HSL	hsl(218, 87%, 64%)
HSV	hsv(218, 66%, 95%)
CMYK	cmyk(66.3%, 42%, 0%, 4.7%)
CIE-LAB	lab(59.26, 12.88, -56.89)
CIE-LCH	lch(59.26, 58.33, 282.76°)
OKLab	oklab(65.28% -0.0269 -0.1624)
OKLCH	oklch(65.28% 0.165 260.6)
XYZ	xyz(29.1765, 27.3118, 88.5107)
Luminance	0.2732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DF3 #F3B852

analogous

#52DEF3 #528DF3 #6752F3

triadic

#528DF3 #F3528D #8DF352

tetradic

#528DF3 #F352DE #F3B852 #52F367

square

#528DF3 #F352DE #F3B852 #52F367

split-complementary

#528DF3 #F36752 #DEF352

monochromatic

#0D4EBD #1967EF #528DF3 #8BB3F7 #C4D8FB

Accessibility & contrast

On white

3.25

#528DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#528DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DF3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DF3	#FFFFFF	#000000	##000000
##528DF3	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)

#5D97F7

Deuteranopia (green-blind)

#4388F1

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528df3;
/* rgb */ color: rgb(82, 141, 243);
/* oklch */ color: oklch(65.3% 0.165 260.6);

Tailwind

colors: {
  custom: {
    50: '#92adf7',
    500: '#528df3',
    950: '#000000',
  },
}

SCSS

$custom: #528df3;
$custom-light: #92adf7;
$custom-dark: #000000;

JSON

{
  "hex": "#528df3",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 243
  },
  "hsl": {
    "h": 218.012,
    "s": 87.027,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65281,
    "c": 0.16462,
    "h": 260.6
  },
  "luminance": 0.27315
}

Semantic roles & 50–950 ramp

primary

#528DF3

secondary

#EDD8B4

accent

#9102E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528DF3

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

Preview Lab → · Contrast checker → · Palette generator →