#528BDF#528BDF

#528BDF is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.7% C 0.140 H 258.0°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#528BDF
RGB	rgb(82, 139, 223)
HSL	hsl(216, 69%, 60%)
HSV	hsv(216, 63%, 87%)
CMYK	cmyk(63.2%, 37.7%, 0%, 12.5%)
CIE-LAB	lab(57.64, 7.27, -48.37)
CIE-LCH	lch(57.64, 48.91, 278.55°)
OKLab	oklab(63.68% -0.0292 -0.1374)
OKLCH	oklch(63.68% 0.14 258)
XYZ	xyz(26.0268, 25.5843, 73.3644)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BDF #DFA652

analogous

#52D1DF #528BDF #6052DF

triadic

#528BDF #DF528B #8BDF52

tetradic

#528BDF #DF52D1 #DFA652 #52DF60

square

#528BDF #DF52D1 #DFA652 #52DF60

split-complementary

#528BDF #DF6052 #D1DF52

monochromatic

#1D4F9A #266ACE #528BDF #86AEE9 #B9D0F2

Accessibility & contrast

On white

3.43

#528BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#528BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BDF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BDF	#FFFFFF	#000000	##000000
##528BDF	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6692E2

Deuteranopia (green-blind)

#5284DD

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #528bdf;
/* rgb */ color: rgb(82, 139, 223);
/* oklch */ color: oklch(63.7% 0.140 258.0);

Tailwind

colors: {
  custom: {
    50: '#8face9',
    500: '#528bdf',
    950: '#000000',
  },
}

SCSS

$custom: #528bdf;
$custom-light: #8face9;
$custom-dark: #000000;

JSON

{
  "hex": "#528bdf",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 223
  },
  "hsl": {
    "h": 215.745,
    "s": 68.78,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63676,
    "c": 0.14049,
    "h": 258
  },
  "luminance": 0.25587
}

Semantic roles & 50–950 ramp

primary

#528BDF

secondary

#E2CCAB

accent

#A53CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528BDF

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

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