#528EF3#528EF3

#528EF3 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.5% C 0.164 H 260.2°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#528EF3
RGB	rgb(82, 142, 243)
HSL	hsl(218, 87%, 64%)
HSV	hsv(218, 66%, 95%)
CMYK	cmyk(66.3%, 41.6%, 0%, 4.7%)
CIE-LAB	lab(59.53, 12.29, -56.46)
CIE-LCH	lch(59.53, 57.78, 282.28°)
OKLab	oklab(65.49% -0.0279 -0.1611)
OKLCH	oklch(65.49% 0.164 260.2)
XYZ	xyz(29.3246, 27.6080, 88.5601)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EF3 #F3B752

analogous

#52DEF3 #528EF3 #6652F3

triadic

#528EF3 #F3528E #8EF352

tetradic

#528EF3 #F352DE #F3B752 #52F366

square

#528EF3 #F352DE #F3B752 #52F366

split-complementary

#528EF3 #F36652 #DEF352

monochromatic

#0D4FBD #1969EF #528EF3 #8BB3F7 #C4D9FB

Accessibility & contrast

On white

3.22

#528EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#528EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EF3

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EF3	#FFFFFF	#000000	##000000
##528EF3	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F97F7

Deuteranopia (green-blind)

#4588F1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528ef3;
/* rgb */ color: rgb(82, 142, 243);
/* oklch */ color: oklch(65.5% 0.164 260.2);

Tailwind

colors: {
  custom: {
    50: '#92aef7',
    500: '#528ef3',
    950: '#000000',
  },
}

SCSS

$custom: #528ef3;
$custom-light: #92aef7;
$custom-dark: #000000;

JSON

{
  "hex": "#528ef3",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 243
  },
  "hsl": {
    "h": 217.64,
    "s": 87.027,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65491,
    "c": 0.1635,
    "h": 260.2
  },
  "luminance": 0.27611
}

Semantic roles & 50–950 ramp

primary

#528EF3

secondary

#EDD8B4

accent

#8F02E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528EF3

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

Preview Lab → · Contrast checker → · Palette generator →