#528FF0#528FF0

#528FF0 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.158 H 259.3°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#528FF0
RGB	rgb(82, 143, 240)
HSL	hsl(217, 84%, 63%)
HSV	hsv(217, 66%, 94%)
CMYK	cmyk(65.8%, 40.4%, 0%, 5.9%)
CIE-LAB	lab(59.64, 10.66, -54.63)
CIE-LCH	lch(59.64, 55.66, 281.04°)
OKLab	oklab(65.52% -0.0294 -0.1557)
OKLCH	oklch(65.52% 0.158 259.3)
XYZ	xyz(29.0247, 27.7272, 86.2434)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FF0 #F0B352

analogous

#52DEF0 #528FF0 #6452F0

triadic

#528FF0 #F0528F #8FF052

tetradic

#528FF0 #F052DE #F0B352 #52F064

square

#528FF0 #F052DE #F0B352 #52F064

split-complementary

#528FF0 #F06452 #DEF052

monochromatic

#1051B8 #1A6BEB #528FF0 #8AB3F5 #C3D8FA

Accessibility & contrast

On white

3.21

#528FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#528FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FF0

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FF0	#FFFFFF	#000000	##000000
##528FF0	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)

#6398F4

Deuteranopia (green-blind)

#4A89EE

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #528ff0;
/* rgb */ color: rgb(82, 143, 240);
/* oklch */ color: oklch(65.5% 0.158 259.3);

Tailwind

colors: {
  custom: {
    50: '#92aff5',
    500: '#528ff0',
    950: '#000000',
  },
}

SCSS

$custom: #528ff0;
$custom-light: #92aff5;
$custom-dark: #000000;

JSON

{
  "hex": "#528ff0",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 216.835,
    "s": 84.043,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65522,
    "c": 0.15848,
    "h": 259.3
  },
  "luminance": 0.2773
}

Semantic roles & 50–950 ramp

primary

#528FF0

secondary

#EBD5B3

accent

#8C05E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528FF0

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

Preview Lab → · Contrast checker → · Palette generator →