#528BE3#528BE3

#528BE3 is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.9% C 0.146 H 258.8°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#528BE3
RGB	rgb(82, 139, 227)
HSL	hsl(216, 72%, 61%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(63.9%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.85, 8.62, -50.27)
CIE-LCH	lch(57.85, 51.00, 279.73°)
OKLab	oklab(63.91% -0.0283 -0.143)
OKLCH	oklch(63.91% 0.146 258.8)
XYZ	xyz(26.5725, 25.8026, 76.2382)
Luminance	0.2581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BE3 #E3AA52

analogous

#52D3E3 #528BE3 #6152E3

triadic

#528BE3 #E3528B #8BE352

tetradic

#528BE3 #E352D3 #E3AA52 #52E361

square

#528BE3 #E352D3 #E3AA52 #52E361

split-complementary

#528BE3 #E36152 #D3E352

monochromatic

#1A4FA1 #2369D5 #528BE3 #87AEEC #BBD2F4

Accessibility & contrast

On white

3.41

#528BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#528BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BE3

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BE3	#FFFFFF	#000000	##000000
##528BE3	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6492E7

Deuteranopia (green-blind)

#4F85E1

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #528be3;
/* rgb */ color: rgb(82, 139, 227);
/* oklch */ color: oklch(63.9% 0.146 258.8);

Tailwind

colors: {
  custom: {
    50: '#90acec',
    500: '#528be3',
    950: '#000000',
  },
}

SCSS

$custom: #528be3;
$custom-light: #90acec;
$custom-dark: #000000;

JSON

{
  "hex": "#528be3",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 216.414,
    "s": 72.139,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63906,
    "c": 0.14576,
    "h": 258.8
  },
  "luminance": 0.25805
}

Semantic roles & 50–950 ramp

primary

#528BE3

secondary

#E4CEAD

accent

#8811D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528BE3

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

Preview Lab → · Contrast checker → · Palette generator →