#528BF8#528BF8

#528BF8 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.2% C 0.173 H 262.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#528BF8
RGB	rgb(82, 139, 248)
HSL	hsl(219, 92%, 65%)
HSV	hsv(219, 67%, 97%)
CMYK	cmyk(66.9%, 44%, 0%, 2.7%)
CIE-LAB	lab(59.01, 15.80, -60.06)
CIE-LCH	lch(59.01, 62.11, 284.74°)
OKLab	oklab(65.18% -0.0242 -0.1717)
OKLCH	oklch(65.18% 0.173 262)
XYZ	xyz(29.6496, 27.0334, 92.4442)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BF8 #F8BF52

analogous

#52DEF8 #528BF8 #6C52F8

triadic

#528BF8 #F8528B #8BF852

tetradic

#528BF8 #F852DE #F8BF52 #52F86C

square

#528BF8 #F852DE #F8BF52 #52F86C

split-complementary

#528BF8 #F86C52 #DEF852

monochromatic

#084AC8 #1764F6 #528BF8 #8DB2FA #C8DAFD

Accessibility & contrast

On white

3.28

#528BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#528BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BF8

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BF8	#FFFFFF	#000000	##000000
##528BF8	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5696FC

Deuteranopia (green-blind)

#3887F6

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528bf8;
/* rgb */ color: rgb(82, 139, 248);
/* oklch */ color: oklch(65.2% 0.173 262.0);

Tailwind

colors: {
  custom: {
    50: '#93acfb',
    500: '#528bf8',
    950: '#000000',
  },
}

SCSS

$custom: #528bf8;
$custom-light: #93acfb;
$custom-dark: #000000;

JSON

{
  "hex": "#528bf8",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 219.398,
    "s": 92.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65175,
    "c": 0.17343,
    "h": 262
  },
  "luminance": 0.27036
}

Semantic roles & 50–950 ramp

primary

#528BF8

secondary

#EFDCB6

accent

#9700E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528BF8

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

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