#528DE9#528DE9

#528DE9 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.151 H 259.0°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#528DE9
RGB	rgb(82, 141, 233)
HSL	hsl(217, 77%, 62%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(64.8%, 39.5%, 0%, 8.6%)
CIE-LAB	lab(58.72, 9.47, -52.23)
CIE-LCH	lch(58.72, 53.08, 280.28°)
OKLab	oklab(64.68% -0.0289 -0.1487)
OKLCH	oklch(64.68% 0.151 259)
XYZ	xyz(27.7073, 26.7241, 80.7731)
Luminance	0.2673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DE9 #E9AE52

analogous

#52D9E9 #528DE9 #6352E9

triadic

#528DE9 #E9528D #8DE952

tetradic

#528DE9 #E952D9 #E9AE52 #52E963

square

#528DE9 #E952D9 #E9AE52 #52E963

split-complementary

#528DE9 #E96352 #D9E952

monochromatic

#1650AB #1D69E1 #528DE9 #88B1F0 #BFD5F7

Accessibility & contrast

On white

3.31

#528DE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#528DE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DE9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DE9	#FFFFFF	#000000	##000000
##528DE9	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495ED

Deuteranopia (green-blind)

#4D87E7

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528de9;
/* rgb */ color: rgb(82, 141, 233);
/* oklch */ color: oklch(64.7% 0.151 259.0);

Tailwind

colors: {
  custom: {
    50: '#91adf0',
    500: '#528de9',
    950: '#000000',
  },
}

SCSS

$custom: #528de9;
$custom-light: #91adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#528de9",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 233
  },
  "hsl": {
    "h": 216.556,
    "s": 77.436,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64684,
    "c": 0.15149,
    "h": 259
  },
  "luminance": 0.26727
}

Semantic roles & 50–950 ramp

primary

#528DE9

secondary

#E7D2AF

accent

#890CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528DE9

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

Preview Lab → · Contrast checker → · Palette generator →