#528EE4#528EE4

#528EE4 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.144 H 257.5°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#528EE4
RGB	rgb(82, 142, 228)
HSL	hsl(215, 73%, 61%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(58.73, 7.18, -49.43)
CIE-LCH	lch(58.73, 49.94, 278.26°)
OKLab	oklab(64.61% -0.031 -0.1405)
OKLCH	oklch(64.61% 0.144 257.5)
XYZ	xyz(27.1512, 26.7387, 77.1140)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EE4 #E4A852

analogous

#52D7E4 #528EE4 #5F52E4

triadic

#528EE4 #E4528E #8EE452

tetradic

#528EE4 #E452D7 #E4A852 #52E45F

square

#528EE4 #E452D7 #E4A852 #52E45F

split-complementary

#528EE4 #E45F52 #D7E452

monochromatic

#1952A2 #226CD7 #528EE4 #87B1EC #BCD3F5

Accessibility & contrast

On white

3.31

#528EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#528EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EE4

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EE4	#FFFFFF	#000000	##000000
##528EE4	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)

#6895E7

Deuteranopia (green-blind)

#5387E2

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528ee4;
/* rgb */ color: rgb(82, 142, 228);
/* oklch */ color: oklch(64.6% 0.144 257.5);

Tailwind

colors: {
  custom: {
    50: '#90aeed',
    500: '#528ee4',
    950: '#000000',
  },
}

SCSS

$custom: #528ee4;
$custom-light: #90aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#528ee4",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 215.342,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64609,
    "c": 0.14387,
    "h": 257.5
  },
  "luminance": 0.26741
}

Semantic roles & 50–950 ramp

primary

#528EE4

secondary

#E5CEAD

accent

#8410D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528EE4

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

Preview Lab → · Contrast checker → · Palette generator →