#528EF5#528EF5

#528EF5 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.166 H 260.5°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#528EF5
RGB	rgb(82, 142, 245)
HSL	hsl(218, 89%, 64%)
HSV	hsv(218, 67%, 96%)
CMYK	cmyk(66.5%, 42%, 0%, 3.9%)
CIE-LAB	lab(59.64, 12.97, -57.39)
CIE-LCH	lch(59.64, 58.84, 282.74°)
OKLab	oklab(65.61% -0.0275 -0.1638)
OKLCH	oklch(65.61% 0.166 260.5)
XYZ	xyz(29.6282, 27.7295, 90.1594)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EF5 #F5B952

analogous

#52E0F5 #528EF5 #6852F5

triadic

#528EF5 #F5528E #8EF552

tetradic

#528EF5 #F552E0 #F5B952 #52F568

square

#528EF5 #F552E0 #F5B952 #52F568

split-complementary

#528EF5 #F56852 #E0F552

monochromatic

#0B4EC1 #1868F2 #528EF5 #8CB4F8 #C6DAFC

Accessibility & contrast

On white

3.21

#528EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#528EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EF5

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EF5	#FFFFFF	#000000	##000000
##528EF5	1.00	3.21	6.55	6.55
#FFFFFF	3.21	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)

#5D98F9

Deuteranopia (green-blind)

#4389F3

Tritanopia (blue-blind)

#00A6B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #528ef5;
/* rgb */ color: rgb(82, 142, 245);
/* oklch */ color: oklch(65.6% 0.166 260.5);

Tailwind

colors: {
  custom: {
    50: '#93aef9',
    500: '#528ef5',
    950: '#000000',
  },
}

SCSS

$custom: #528ef5;
$custom-light: #93aef9;
$custom-dark: #000000;

JSON

{
  "hex": "#528ef5",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 217.914,
    "s": 89.071,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65612,
    "c": 0.16612,
    "h": 260.5
  },
  "luminance": 0.27732
}

Semantic roles & 50–950 ramp

primary

#528EF5

secondary

#EED9B5

accent

#9100E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528EF5

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

Preview Lab → · Contrast checker → · Palette generator →