#528CF0#528CF0

#528CF0 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.162 H 260.5°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#528CF0
RGB	rgb(82, 140, 240)
HSL	hsl(218, 84%, 63%)
HSV	hsv(218, 66%, 94%)
CMYK	cmyk(65.8%, 41.7%, 0%, 5.9%)
CIE-LAB	lab(58.82, 12.46, -55.93)
CIE-LCH	lch(58.82, 57.30, 282.55°)
OKLab	oklab(64.89% -0.0266 -0.1596)
OKLCH	oklch(64.89% 0.162 260.5)
XYZ	xyz(28.5803, 26.8385, 86.0953)
Luminance	0.2684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CF0 #F0B652

analogous

#52DBF0 #528CF0 #6752F0

triadic

#528CF0 #F0528C #8CF052

tetradic

#528CF0 #F052DB #F0B652 #52F067

square

#528CF0 #F052DB #F0B652 #52F067

split-complementary

#528CF0 #F06752 #DBF052

monochromatic

#104EB8 #1A67EB #528CF0 #8AB1F5 #C3D7FA

Accessibility & contrast

On white

3.30

#528CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#528CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CF0

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CF0	#FFFFFF	#000000	##000000
##528CF0	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F4

Deuteranopia (green-blind)

#4487EE

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528cf0;
/* rgb */ color: rgb(82, 140, 240);
/* oklch */ color: oklch(64.9% 0.162 260.5);

Tailwind

colors: {
  custom: {
    50: '#92adf5',
    500: '#528cf0',
    950: '#000000',
  },
}

SCSS

$custom: #528cf0;
$custom-light: #92adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#528cf0",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 240
  },
  "hsl": {
    "h": 217.975,
    "s": 84.043,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6489,
    "c": 0.16179,
    "h": 260.5
  },
  "luminance": 0.26841
}

Semantic roles & 50–950 ramp

primary

#528CF0

secondary

#EBD6B3

accent

#9005E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528CF0

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

Preview Lab → · Contrast checker → · Palette generator →