#528CFF#528CFF

#528CFF is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.181 H 262.4°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#528CFF
RGB	rgb(82, 140, 255)
HSL	hsl(220, 100%, 66%)
HSV	hsv(220, 68%, 100%)
CMYK	cmyk(67.8%, 45.1%, 0%, 0%)
CIE-LAB	lab(59.68, 17.61, -62.83)
CIE-LCH	lch(59.68, 65.25, 285.66°)
OKLab	oklab(65.82% -0.024 -0.1799)
OKLCH	oklch(65.82% 0.181 262.4)
XYZ	xyz(30.9014, 27.7669, 98.3194)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CFF #FFC552

analogous

#52E3FF #528CFF #6E52FF

triadic

#528CFF #FF528C #8CFF52

tetradic

#528CFF #FF52E3 #FFC552 #52FF6E

square

#528CFF #FF52E3 #FFC552 #52FF6E

split-complementary

#528CFF #FF6E52 #E3FF52

monochromatic

#0048D7 #1563FF #528CFF #8FB5FF #CCDDFF

Accessibility & contrast

On white

3.20

#528CFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#528CFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CFF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CFF	#FFFFFF	#000000	##000000
##528CFF	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5298FF

Deuteranopia (green-blind)

#2F88FD

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #528cff;
/* rgb */ color: rgb(82, 140, 255);
/* oklch */ color: oklch(65.8% 0.181 262.4);

Tailwind

colors: {
  custom: {
    50: '#94adff',
    500: '#528cff',
    950: '#000000',
  },
}

SCSS

$custom: #528cff;
$custom-light: #94adff;
$custom-dark: #000000;

JSON

{
  "hex": "#528cff",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 255
  },
  "hsl": {
    "h": 219.884,
    "s": 100,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65823,
    "c": 0.18145,
    "h": 262.4
  },
  "luminance": 0.2777
}

Semantic roles & 50–950 ramp

primary

#528CFF

secondary

#F3E0BA

accent

#9900E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #528CFF

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

Preview Lab → · Contrast checker → · Palette generator →