#528CF4#528CF4

#528CF4 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.167 H 261.1°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#528CF4
RGB	rgb(82, 140, 244)
HSL	hsl(219, 88%, 64%)
HSV	hsv(219, 66%, 96%)
CMYK	cmyk(66.4%, 42.6%, 0%, 4.3%)
CIE-LAB	lab(59.05, 13.83, -57.79)
CIE-LCH	lch(59.05, 59.42, 283.46°)
OKLab	oklab(65.13% -0.0258 -0.165)
OKLCH	oklch(65.13% 0.167 261.1)
XYZ	xyz(29.1811, 27.0788, 89.2593)
Luminance	0.2708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CF4 #F4BA52

analogous

#52DDF4 #528CF4 #6952F4

triadic

#528CF4 #F4528C #8CF452

tetradic

#528CF4 #F452DD #F4BA52 #52F469

square

#528CF4 #F452DD #F4BA52 #52F469

split-complementary

#528CF4 #F46952 #DDF452

monochromatic

#0C4CBF #1866F0 #528CF4 #8CB2F8 #C5D9FB

Accessibility & contrast

On white

3.27

#528CF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#528CF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CF4

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CF4	#FFFFFF	#000000	##000000
##528CF4	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B96F8

Deuteranopia (green-blind)

#3F87F2

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528cf4;
/* rgb */ color: rgb(82, 140, 244);
/* oklch */ color: oklch(65.1% 0.167 261.1);

Tailwind

colors: {
  custom: {
    50: '#92adf8',
    500: '#528cf4',
    950: '#000000',
  },
}

SCSS

$custom: #528cf4;
$custom-light: #92adf8;
$custom-dark: #000000;

JSON

{
  "hex": "#528cf4",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 218.519,
    "s": 88.043,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65134,
    "c": 0.16705,
    "h": 261.1
  },
  "luminance": 0.27082
}

Semantic roles & 50–950 ramp

primary

#528CF4

secondary

#EDD9B4

accent

#9301E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528CF4

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

Preview Lab → · Contrast checker → · Palette generator →