#528CE4#528CE4

#528CE4 is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.2% C 0.146 H 258.5°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#528CE4
RGB	rgb(82, 140, 228)
HSL	hsl(216, 73%, 61%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(64%, 38.6%, 0%, 10.6%)
CIE-LAB	lab(58.18, 8.37, -50.30)
CIE-LCH	lch(58.18, 51.00, 279.44°)
OKLab	oklab(64.18% -0.029 -0.1431)
OKLCH	oklch(64.18% 0.146 258.5)
XYZ	xyz(26.8563, 26.1489, 77.0157)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CE4 #E4AA52

analogous

#52D5E4 #528CE4 #6152E4

triadic

#528CE4 #E4528C #8CE452

tetradic

#528CE4 #E452D5 #E4AA52 #52E461

square

#528CE4 #E452D5 #E4AA52 #52E461

split-complementary

#528CE4 #E46152 #D5E452

monochromatic

#1950A2 #226AD7 #528CE4 #87AFEC #BCD2F5

Accessibility & contrast

On white

3.37

#528CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#528CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CE4

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CE4	#FFFFFF	#000000	##000000
##528CE4	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E8

Deuteranopia (green-blind)

#5086E2

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #528ce4;
/* rgb */ color: rgb(82, 140, 228);
/* oklch */ color: oklch(64.2% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#90aded',
    500: '#528ce4',
    950: '#000000',
  },
}

SCSS

$custom: #528ce4;
$custom-light: #90aded;
$custom-dark: #000000;

JSON

{
  "hex": "#528ce4",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 216.164,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64179,
    "c": 0.146,
    "h": 258.5
  },
  "luminance": 0.26151
}

Semantic roles & 50–950 ramp

primary

#528CE4

secondary

#E5CFAD

accent

#8710D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528CE4

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

Preview Lab → · Contrast checker → · Palette generator →