#528EE3#528EE3

#528EE3 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.143 H 257.3°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#528EE3
RGB	rgb(82, 142, 227)
HSL	hsl(215, 72%, 61%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(63.9%, 37.4%, 0%, 11%)
CIE-LAB	lab(58.68, 6.84, -48.95)
CIE-LCH	lch(58.68, 49.43, 277.95°)
OKLab	oklab(64.55% -0.0313 -0.1391)
OKLCH	oklch(64.55% 0.143 257.3)
XYZ	xyz(27.0128, 26.6833, 76.3850)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EE3 #E3A752

analogous

#52D7E3 #528EE3 #5E52E3

triadic

#528EE3 #E3528E #8EE352

tetradic

#528EE3 #E352D7 #E3A752 #52E35E

square

#528EE3 #E352D7 #E3A752 #52E35E

split-complementary

#528EE3 #E35E52 #D7E352

monochromatic

#1A52A1 #236CD5 #528EE3 #87B0EC #BBD3F4

Accessibility & contrast

On white

3.31

#528EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#528EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EE3

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EE3	#FFFFFF	#000000	##000000
##528EE3	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)

#6995E6

Deuteranopia (green-blind)

#5487E1

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528ee3;
/* rgb */ color: rgb(82, 142, 227);
/* oklch */ color: oklch(64.6% 0.143 257.3);

Tailwind

colors: {
  custom: {
    50: '#90aeec',
    500: '#528ee3',
    950: '#000000',
  },
}

SCSS

$custom: #528ee3;
$custom-light: #90aeec;
$custom-dark: #000000;

JSON

{
  "hex": "#528ee3",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 227
  },
  "hsl": {
    "h": 215.172,
    "s": 72.139,
    "l": 60.588
  },
  "oklch": {
    "l": 0.64552,
    "c": 0.14256,
    "h": 257.3
  },
  "luminance": 0.26686
}

Semantic roles & 50–950 ramp

primary

#528EE3

secondary

#E4CDAD

accent

#8411D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528EE3

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

Preview Lab → · Contrast checker → · Palette generator →