#528CEE#528CEE

#528CEE is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.159 H 260.2°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#528CEE
RGB	rgb(82, 140, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 66%, 93%)
CMYK	cmyk(65.5%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(58.71, 11.77, -55.00)
CIE-LCH	lch(58.71, 56.25, 282.08°)
OKLab	oklab(64.77% -0.027 -0.1569)
OKLCH	oklch(64.77% 0.159 260.2)
XYZ	xyz(28.2849, 26.7203, 84.5392)
Luminance	0.2672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CEE #EEB452

analogous

#52DAEE #528CEE #6652EE

triadic

#528CEE #EE528C #8CEE52

tetradic

#528CEE #EE52DA #EEB452 #52EE66

square

#528CEE #EE52DA #EEB452 #52EE66

split-complementary

#528CEE #EE6652 #DAEE52

monochromatic

#124EB4 #1A67E9 #528CEE #8AB1F3 #C1D6F9

Accessibility & contrast

On white

3.31

#528CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#528CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CEE

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CEE	#FFFFFF	#000000	##000000
##528CEE	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F95F2

Deuteranopia (green-blind)

#4687EC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528cee;
/* rgb */ color: rgb(82, 140, 238);
/* oklch */ color: oklch(64.8% 0.159 260.2);

Tailwind

colors: {
  custom: {
    50: '#91adf4',
    500: '#528cee',
    950: '#000000',
  },
}

SCSS

$custom: #528cee;
$custom-light: #91adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#528cee",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 217.692,
    "s": 82.105,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64769,
    "c": 0.15916,
    "h": 260.2
  },
  "luminance": 0.26723
}

Semantic roles & 50–950 ramp

primary

#528CEE

secondary

#EAD5B2

accent

#8E07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528CEE

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

Preview Lab → · Contrast checker → · Palette generator →