#528EEB#528EEB

#528EEB is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.0% C 0.153 H 258.9°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#528EEB
RGB	rgb(82, 142, 235)
HSL	hsl(216, 79%, 62%)
HSV	hsv(216, 65%, 92%)
CMYK	cmyk(65.1%, 39.6%, 0%, 7.8%)
CIE-LAB	lab(59.10, 9.55, -52.73)
CIE-LCH	lch(59.10, 53.59, 280.27°)
OKLab	oklab(65.01% -0.0295 -0.1502)
OKLCH	oklch(65.01% 0.153 258.9)
XYZ	xyz(28.1427, 27.1352, 82.3357)
Luminance	0.2714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EEB #EBAF52

analogous

#52DAEB #528EEB #6352EB

triadic

#528EEB #EB528E #8EEB52

tetradic

#528EEB #EB52DA #EBAF52 #52EB63

square

#528EEB #EB52DA #EBAF52 #52EB63

split-complementary

#528EEB #EB6352 #DAEB52

monochromatic

#1451AE #1B6AE5 #528EEB #89B2F1 #C0D6F8

Accessibility & contrast

On white

3.27

#528EEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#528EEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EEB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EEB	#FFFFFF	#000000	##000000
##528EEB	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6496EF

Deuteranopia (green-blind)

#4D88E9

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528eeb;
/* rgb */ color: rgb(82, 142, 235);
/* oklch */ color: oklch(65.0% 0.153 258.9);

Tailwind

colors: {
  custom: {
    50: '#91aef2',
    500: '#528eeb',
    950: '#000000',
  },
}

SCSS

$custom: #528eeb;
$custom-light: #91aef2;
$custom-dark: #000000;

JSON

{
  "hex": "#528eeb",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 235
  },
  "hsl": {
    "h": 216.471,
    "s": 79.275,
    "l": 62.157
  },
  "oklch": {
    "l": 0.65014,
    "c": 0.15303,
    "h": 258.9
  },
  "luminance": 0.27138
}

Semantic roles & 50–950 ramp

primary

#528EEB

secondary

#E8D2B0

accent

#890ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528EEB

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

Preview Lab → · Contrast checker → · Palette generator →