#528DEE#528DEE

#528DEE is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.158 H 259.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#528DEE
RGB	rgb(82, 141, 238)
HSL	hsl(217, 82%, 63%)
HSV	hsv(217, 66%, 93%)
CMYK	cmyk(65.5%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(58.99, 11.17, -54.57)
CIE-LCH	lch(58.99, 55.70, 281.57°)
OKLab	oklab(64.98% -0.0279 -0.1556)
OKLCH	oklch(64.98% 0.158 259.8)
XYZ	xyz(28.4317, 27.0138, 84.5882)
Luminance	0.2702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DEE #EEB352

analogous

#52DBEE #528DEE #6552EE

triadic

#528DEE #EE528D #8DEE52

tetradic

#528DEE #EE52DB #EEB352 #52EE65

square

#528DEE #EE52DB #EEB352 #52EE65

split-complementary

#528DEE #EE6552 #DBEE52

monochromatic

#124FB4 #1A68E9 #528DEE #8AB2F3 #C1D6F9

Accessibility & contrast

On white

3.28

#528DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#528DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DEE

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DEE	#FFFFFF	#000000	##000000
##528DEE	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6096F2

Deuteranopia (green-blind)

#4887EC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528dee;
/* rgb */ color: rgb(82, 141, 238);
/* oklch */ color: oklch(65.0% 0.158 259.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#528dee",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 217.308,
    "s": 82.105,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6498,
    "c": 0.15806,
    "h": 259.8
  },
  "luminance": 0.27017
}

Semantic roles & 50–950 ramp

primary

#528DEE

secondary

#EAD5B2

accent

#8D07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528DEE

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

Preview Lab → · Contrast checker → · Palette generator →