#528BDD#528BDD

#528BDD is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.138 H 257.6°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#528BDD
RGB	rgb(82, 139, 221)
HSL	hsl(215, 67%, 59%)
HSV	hsv(215, 63%, 87%)
CMYK	cmyk(62.9%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(57.54, 6.60, -47.42)
CIE-LCH	lch(57.54, 47.87, 277.92°)
OKLab	oklab(63.56% -0.0296 -0.1346)
OKLCH	oklch(63.56% 0.138 257.6)
XYZ	xyz(25.7588, 25.4771, 71.9527)
Luminance	0.2548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BDD #DDA452

analogous

#52D0DD #528BDD #5F52DD

triadic

#528BDD #DD528B #8BDD52

tetradic

#528BDD #DD52D0 #DDA452 #52DD5F

square

#528BDD #DD52D0 #DDA452 #52DD5F

split-complementary

#528BDD #DD5F52 #D0DD52

monochromatic

#1E4F97 #286ACA #528BDD #85ADE7 #B8D0F1

Accessibility & contrast

On white

3.44

#528BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#528BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BDD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BDD	#FFFFFF	#000000	##000000
##528BDD	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6791E0

Deuteranopia (green-blind)

#5484DB

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #528bdd;
/* rgb */ color: rgb(82, 139, 221);
/* oklch */ color: oklch(63.6% 0.138 257.6);

Tailwind

colors: {
  custom: {
    50: '#8face8',
    500: '#528bdd',
    950: '#000000',
  },
}

SCSS

$custom: #528bdd;
$custom-light: #8face8;
$custom-dark: #000000;

JSON

{
  "hex": "#528bdd",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 215.396,
    "s": 67.15,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63562,
    "c": 0.13786,
    "h": 257.6
  },
  "luminance": 0.2548
}

Semantic roles & 50–950 ramp

primary

#528BDD

secondary

#E0CAAA

accent

#A33EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #528BDD

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

Preview Lab → · Contrast checker → · Palette generator →