#528AE4#528AE4

#528AE4 is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.8% C 0.148 H 259.5°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#528AE4
RGB	rgb(82, 138, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 64%, 89%)
CMYK	cmyk(64%, 39.5%, 0%, 10.6%)
CIE-LAB	lab(57.63, 9.56, -51.18)
CIE-LCH	lch(57.63, 52.07, 280.58°)
OKLab	oklab(63.75% -0.0271 -0.1457)
OKLCH	oklch(63.75% 0.148 259.5)
XYZ	xyz(26.5668, 25.5697, 76.9191)
Luminance	0.2557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528AE4 #E4AC52

analogous

#52D3E4 #528AE4 #6352E4

triadic

#528AE4 #E4528A #8AE452

tetradic

#528AE4 #E452D3 #E4AC52 #52E463

square

#528AE4 #E452D3 #E4AC52 #52E463

split-complementary

#528AE4 #E46352 #D3E452

monochromatic

#194EA2 #2267D7 #528AE4 #87AEEC #BCD2F5

Accessibility & contrast

On white

3.43

#528AE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#528AE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528AE4

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528AE4	#FFFFFF	#000000	##000000
##528AE4	1.00	3.43	6.11	6.11
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E8

Deuteranopia (green-blind)

#4C84E2

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #528ae4;
/* rgb */ color: rgb(82, 138, 228);
/* oklch */ color: oklch(63.8% 0.148 259.5);

Tailwind

colors: {
  custom: {
    50: '#90abed',
    500: '#528ae4',
    950: '#000000',
  },
}

SCSS

$custom: #528ae4;
$custom-light: #90abed;
$custom-dark: #000000;

JSON

{
  "hex": "#528ae4",
  "rgb": {
    "r": 82,
    "g": 138,
    "b": 228
  },
  "hsl": {
    "h": 216.986,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63751,
    "c": 0.14817,
    "h": 259.5
  },
  "luminance": 0.25572
}

Semantic roles & 50–950 ramp

primary

#528AE4

secondary

#E5CFAD

accent

#8A10D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528AE4

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

Preview Lab → · Contrast checker → · Palette generator →