#528DE4#528DE4

#528DE4 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.145 H 258.0°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#528DE4
RGB	rgb(82, 141, 228)
HSL	hsl(216, 73%, 61%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(64%, 38.2%, 0%, 10.6%)
CIE-LAB	lab(58.45, 7.77, -49.87)
CIE-LCH	lch(58.45, 50.47, 278.86°)
OKLab	oklab(64.39% -0.03 -0.1418)
OKLCH	oklch(64.39% 0.145 258)
XYZ	xyz(27.0031, 26.4424, 77.0646)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DE4 #E4A952

analogous

#52D6E4 #528DE4 #6052E4

triadic

#528DE4 #E4528D #8DE452

tetradic

#528DE4 #E452D6 #E4A952 #52E460

square

#528DE4 #E452D6 #E4A952 #52E460

split-complementary

#528DE4 #E46052 #D6E452

monochromatic

#1951A2 #226BD7 #528DE4 #87B0EC #BCD3F5

Accessibility & contrast

On white

3.34

#528DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#528DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DE4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DE4	#FFFFFF	#000000	##000000
##528DE4	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6794E7

Deuteranopia (green-blind)

#5286E2

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528de4;
/* rgb */ color: rgb(82, 141, 228);
/* oklch */ color: oklch(64.4% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#90aded',
    500: '#528de4',
    950: '#000000',
  },
}

SCSS

$custom: #528de4;
$custom-light: #90aded;
$custom-dark: #000000;

JSON

{
  "hex": "#528de4",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 228
  },
  "hsl": {
    "h": 215.753,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64394,
    "c": 0.14493,
    "h": 258
  },
  "luminance": 0.26445
}

Semantic roles & 50–950 ramp

primary

#528DE4

secondary

#E5CEAD

accent

#8610D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528DE4

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

Preview Lab → · Contrast checker → · Palette generator →