#528EF0#528EF0

#528EF0 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.160 H 259.7°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#528EF0
RGB	rgb(82, 142, 240)
HSL	hsl(217, 84%, 63%)
HSV	hsv(217, 66%, 94%)
CMYK	cmyk(65.8%, 40.8%, 0%, 5.9%)
CIE-LAB	lab(59.37, 11.26, -55.07)
CIE-LCH	lch(59.37, 56.21, 281.56°)
OKLab	oklab(65.31% -0.0285 -0.157)
OKLCH	oklch(65.31% 0.16 259.7)
XYZ	xyz(28.8752, 27.4283, 86.1936)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EF0 #F0B452

analogous

#52DDF0 #528EF0 #6552F0

triadic

#528EF0 #F0528E #8EF052

tetradic

#528EF0 #F052DD #F0B452 #52F065

square

#528EF0 #F052DD #F0B452 #52F065

split-complementary

#528EF0 #F06552 #DDF052

monochromatic

#1050B8 #1A69EB #528EF0 #8AB3F5 #C3D8FA

Accessibility & contrast

On white

3.24

#528EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#528EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EF0

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EF0	#FFFFFF	#000000	##000000
##528EF0	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6197F4

Deuteranopia (green-blind)

#4888EE

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #528ef0;
/* rgb */ color: rgb(82, 142, 240);
/* oklch */ color: oklch(65.3% 0.160 259.7);

Tailwind

colors: {
  custom: {
    50: '#92aef5',
    500: '#528ef0',
    950: '#000000',
  },
}

SCSS

$custom: #528ef0;
$custom-light: #92aef5;
$custom-dark: #000000;

JSON

{
  "hex": "#528ef0",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 240
  },
  "hsl": {
    "h": 217.215,
    "s": 84.043,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65311,
    "c": 0.15958,
    "h": 259.7
  },
  "luminance": 0.27431
}

Semantic roles & 50–950 ramp

primary

#528EF0

secondary

#EBD6B3

accent

#8D05E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528EF0

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

Preview Lab → · Contrast checker → · Palette generator →