#528EF4#528EF4

#528EF4 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.165 H 260.3°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#528EF4
RGB	rgb(82, 142, 244)
HSL	hsl(218, 88%, 64%)
HSV	hsv(218, 66%, 96%)
CMYK	cmyk(66.4%, 41.8%, 0%, 4.3%)
CIE-LAB	lab(59.59, 12.63, -56.92)
CIE-LCH	lch(59.59, 58.31, 282.51°)
OKLab	oklab(65.55% -0.0277 -0.1625)
OKLCH	oklch(65.55% 0.165 260.3)
XYZ	xyz(29.4760, 27.6686, 89.3576)
Luminance	0.2767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EF4 #F4B852

analogous

#52DFF4 #528EF4 #6752F4

triadic

#528EF4 #F4528E #8EF452

tetradic

#528EF4 #F452DF #F4B852 #52F467

square

#528EF4 #F452DF #F4B852 #52F467

split-complementary

#528EF4 #F46752 #DFF452

monochromatic

#0C4FBF #1868F0 #528EF4 #8CB4F8 #C5D9FB

Accessibility & contrast

On white

3.21

#528EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#528EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EF4

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EF4	#FFFFFF	#000000	##000000
##528EF4	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E98F8

Deuteranopia (green-blind)

#4489F2

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528ef4;
/* rgb */ color: rgb(82, 142, 244);
/* oklch */ color: oklch(65.6% 0.165 260.3);

Tailwind

colors: {
  custom: {
    50: '#92aef8',
    500: '#528ef4',
    950: '#000000',
  },
}

SCSS

$custom: #528ef4;
$custom-light: #92aef8;
$custom-dark: #000000;

JSON

{
  "hex": "#528ef4",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 244
  },
  "hsl": {
    "h": 217.778,
    "s": 88.043,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65551,
    "c": 0.16481,
    "h": 260.3
  },
  "luminance": 0.27671
}

Semantic roles & 50–950 ramp

primary

#528EF4

secondary

#EDD8B4

accent

#9001E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528EF4

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

Preview Lab → · Contrast checker → · Palette generator →