#528FF5#528FF5

#528FF5 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.8% C 0.165 H 260.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#528FF5
RGB	rgb(82, 143, 245)
HSL	hsl(218, 89%, 64%)
HSV	hsv(218, 67%, 96%)
CMYK	cmyk(66.5%, 41.6%, 0%, 3.9%)
CIE-LAB	lab(59.91, 12.37, -56.96)
CIE-LCH	lch(59.91, 58.28, 282.26°)
OKLab	oklab(65.82% -0.0284 -0.1625)
OKLCH	oklch(65.82% 0.165 260.1)
XYZ	xyz(29.7777, 28.0284, 90.2092)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FF5 #F5B852

analogous

#52E1F5 #528FF5 #6752F5

triadic

#528FF5 #F5528F #8FF552

tetradic

#528FF5 #F552E1 #F5B852 #52F567

square

#528FF5 #F552E1 #F5B852 #52F567

split-complementary

#528FF5 #F56752 #E1F552

monochromatic

#0B4FC1 #186AF2 #528FF5 #8CB4F8 #C6DAFC

Accessibility & contrast

On white

3.18

#528FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#528FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FF5

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FF5	#FFFFFF	#000000	##000000
##528FF5	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F98F9

Deuteranopia (green-blind)

#4589F3

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #528ff5;
/* rgb */ color: rgb(82, 143, 245);
/* oklch */ color: oklch(65.8% 0.165 260.1);

Tailwind

colors: {
  custom: {
    50: '#93aff9',
    500: '#528ff5',
    950: '#000000',
  },
}

SCSS

$custom: #528ff5;
$custom-light: #93aff9;
$custom-dark: #000000;

JSON

{
  "hex": "#528ff5",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 245
  },
  "hsl": {
    "h": 217.546,
    "s": 89.071,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65822,
    "c": 0.16502,
    "h": 260.1
  },
  "luminance": 0.28031
}

Semantic roles & 50–950 ramp

primary

#528FF5

secondary

#EED9B5

accent

#9000E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528FF5

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

Preview Lab → · Contrast checker → · Palette generator →