#528CDF#528CDF

#528CDF is a light, vivid blue. Relative luminance 0.259; OKLCH L 63.9% C 0.139 H 257.5°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#528CDF
RGB	rgb(82, 140, 223)
HSL	hsl(215, 69%, 60%)
HSV	hsv(215, 63%, 87%)
CMYK	cmyk(63.2%, 37.2%, 0%, 12.5%)
CIE-LAB	lab(57.92, 6.68, -47.93)
CIE-LCH	lch(57.92, 48.39, 277.93°)
OKLab	oklab(63.89% -0.0302 -0.1361)
OKLCH	oklch(63.89% 0.139 257.5)
XYZ	xyz(26.1723, 25.8752, 73.4129)
Luminance	0.2588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CDF #DFA552

analogous

#52D3DF #528CDF #5F52DF

triadic

#528CDF #DF528C #8CDF52

tetradic

#528CDF #DF52D3 #DFA552 #52DF5F

square

#528CDF #DF52D3 #DFA552 #52DF5F

split-complementary

#528CDF #DF5F52 #D3DF52

monochromatic

#1D509A #266BCE #528CDF #86AEE9 #B9D1F2

Accessibility & contrast

On white

3.40

#528CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#528CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CDF

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CDF	#FFFFFF	#000000	##000000
##528CDF	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E2

Deuteranopia (green-blind)

#5485DD

Tritanopia (blue-blind)

#009FAB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #528cdf;
/* rgb */ color: rgb(82, 140, 223);
/* oklch */ color: oklch(63.9% 0.139 257.5);

Tailwind

colors: {
  custom: {
    50: '#8fade9',
    500: '#528cdf',
    950: '#000000',
  },
}

SCSS

$custom: #528cdf;
$custom-light: #8fade9;
$custom-dark: #000000;

JSON

{
  "hex": "#528cdf",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 223
  },
  "hsl": {
    "h": 215.319,
    "s": 68.78,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63892,
    "c": 0.13944,
    "h": 257.5
  },
  "luminance": 0.25878
}

Semantic roles & 50–950 ramp

primary

#528CDF

secondary

#E2CBAB

accent

#A33CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528CDF

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

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