#528CF1#528CF1

#528CF1 is a light, vivid blue. Relative luminance 0.269; OKLCH L 65.0% C 0.163 H 260.7°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#528CF1
RGB	rgb(82, 140, 241)
HSL	hsl(218, 85%, 63%)
HSV	hsv(218, 66%, 95%)
CMYK	cmyk(66%, 41.9%, 0%, 5.5%)
CIE-LAB	lab(58.88, 12.80, -56.40)
CIE-LCH	lch(58.88, 57.83, 282.79°)
OKLab	oklab(64.95% -0.0264 -0.161)
OKLCH	oklch(64.95% 0.163 260.7)
XYZ	xyz(28.7293, 26.8980, 86.8798)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CF1 #F1B752

analogous

#52DCF1 #528CF1 #6752F1

triadic

#528CF1 #F1528C #8CF152

tetradic

#528CF1 #F152DC #F1B752 #52F167

square

#528CF1 #F152DC #F1B752 #52F167

split-complementary

#528CF1 #F16752 #DCF152

monochromatic

#0F4DBA #1966EC #528CF1 #8BB2F6 #C3D7FA

Accessibility & contrast

On white

3.29

#528CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#528CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CF1

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CF1	#FFFFFF	#000000	##000000
##528CF1	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F5

Deuteranopia (green-blind)

#4387EF

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528cf1;
/* rgb */ color: rgb(82, 140, 241);
/* oklch */ color: oklch(65.0% 0.163 260.7);

Tailwind

colors: {
  custom: {
    50: '#92adf6',
    500: '#528cf1',
    950: '#000000',
  },
}

SCSS

$custom: #528cf1;
$custom-light: #92adf6;
$custom-dark: #000000;

JSON

{
  "hex": "#528cf1",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 241
  },
  "hsl": {
    "h": 218.113,
    "s": 85.027,
    "l": 63.333
  },
  "oklch": {
    "l": 0.6495,
    "c": 0.16311,
    "h": 260.7
  },
  "luminance": 0.26901
}

Semantic roles & 50–950 ramp

primary

#528CF1

secondary

#ECD7B3

accent

#9104E2

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528CF1

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

Preview Lab → · Contrast checker → · Palette generator →