#528AE3#528AE3

#528AE3 is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.7% C 0.147 H 259.3°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#528AE3
RGB	rgb(82, 138, 227)
HSL	hsl(217, 72%, 61%)
HSV	hsv(217, 64%, 89%)
CMYK	cmyk(63.9%, 39.2%, 0%, 11%)
CIE-LAB	lab(57.57, 9.22, -50.71)
CIE-LCH	lch(57.57, 51.54, 280.31°)
OKLab	oklab(63.69% -0.0273 -0.1443)
OKLCH	oklch(63.69% 0.147 259.3)
XYZ	xyz(26.4283, 25.5143, 76.1901)
Luminance	0.2552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528AE3 #E3AB52

analogous

#52D2E3 #528AE3 #6352E3

triadic

#528AE3 #E3528A #8AE352

tetradic

#528AE3 #E352D2 #E3AB52 #52E363

square

#528AE3 #E352D2 #E3AB52 #52E363

split-complementary

#528AE3 #E36352 #D2E352

monochromatic

#1A4EA1 #2368D5 #528AE3 #87AEEC #BBD1F4

Accessibility & contrast

On white

3.44

#528AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#528AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528AE3

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528AE3	#FFFFFF	#000000	##000000
##528AE3	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E7

Deuteranopia (green-blind)

#4D84E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #528ae3;
/* rgb */ color: rgb(82, 138, 227);
/* oklch */ color: oklch(63.7% 0.147 259.3);

Tailwind

colors: {
  custom: {
    50: '#90abec',
    500: '#528ae3',
    950: '#000000',
  },
}

SCSS

$custom: #528ae3;
$custom-light: #90abec;
$custom-dark: #000000;

JSON

{
  "hex": "#528ae3",
  "rgb": {
    "r": 82,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 216.828,
    "s": 72.139,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63692,
    "c": 0.14685,
    "h": 259.3
  },
  "luminance": 0.25517
}

Semantic roles & 50–950 ramp

primary

#528AE3

secondary

#E4CFAD

accent

#8911D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528AE3

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

Preview Lab → · Contrast checker → · Palette generator →