#528BDB#528BDB

#528BDB is a light, vivid blue. Relative luminance 0.254; OKLCH L 63.4% C 0.135 H 257.1°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#528BDB
RGB	rgb(82, 139, 219)
HSL	hsl(215, 66%, 59%)
HSV	hsv(215, 63%, 86%)
CMYK	cmyk(62.6%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(57.44, 5.92, -46.46)
CIE-LCH	lch(57.44, 46.83, 277.27°)
OKLab	oklab(63.45% -0.0301 -0.1318)
OKLCH	oklch(63.45% 0.135 257.1)
XYZ	xyz(25.4939, 25.3712, 70.5577)
Luminance	0.2537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BDB #DBA252

analogous

#52D0DB #528BDB #5E52DB

triadic

#528BDB #DB528B #8BDB52

tetradic

#528BDB #DB52D0 #DBA252 #52DB5E

square

#528BDB #DB52D0 #DBA252 #52DB5E

split-complementary

#528BDB #DB5E52 #D0DB52

monochromatic

#1F4F94 #296BC6 #528BDB #85ADE6 #B7CFF0

Accessibility & contrast

On white

3.46

#528BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#528BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BDB

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BDB	#FFFFFF	#000000	##000000
##528BDB	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6891DE

Deuteranopia (green-blind)

#5584D9

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #528bdb;
/* rgb */ color: rgb(82, 139, 219);
/* oklch */ color: oklch(63.4% 0.135 257.1);

Tailwind

colors: {
  custom: {
    50: '#8face6',
    500: '#528bdb',
    950: '#000000',
  },
}

SCSS

$custom: #528bdb;
$custom-light: #8face6;
$custom-dark: #000000;

JSON

{
  "hex": "#528bdb",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 215.036,
    "s": 65.55,
    "l": 59.02
  },
  "oklch": {
    "l": 0.63449,
    "c": 0.13524,
    "h": 257.1
  },
  "luminance": 0.25374
}

Semantic roles & 50–950 ramp

primary

#528BDB

secondary

#DFC9AA

accent

#A23FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #528BDB

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

Preview Lab → · Contrast checker → · Palette generator →