#528DFA#528DFA

#528DFA is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.7% C 0.174 H 261.5°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#528DFA
RGB	rgb(82, 141, 250)
HSL	hsl(219, 94%, 65%)
HSV	hsv(219, 67%, 98%)
CMYK	cmyk(67.2%, 43.6%, 0%, 2%)
CIE-LAB	lab(59.66, 15.29, -60.12)
CIE-LCH	lch(59.66, 62.03, 284.27°)
OKLab	oklab(65.71% -0.0257 -0.1719)
OKLCH	oklch(65.71% 0.174 261.5)
XYZ	xyz(30.2537, 27.7427, 94.1844)
Luminance	0.2775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528DFA #FABF52

analogous

#52E1FA #528DFA #6B52FA

triadic

#528DFA #FA528D #8DFA52

tetradic

#528DFA #FA52E1 #FABF52 #52FA6B

square

#528DFA #FA52E1 #FABF52 #52FA6B

split-complementary

#528DFA #FA6B52 #E1FA52

monochromatic

#064BCC #1766F8 #528DFA #8DB4FC #C9DBFD

Accessibility & contrast

On white

3.21

#528DFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#528DFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528DFA

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528DFA	#FFFFFF	#000000	##000000
##528DFA	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5898FE

Deuteranopia (green-blind)

#3A88F8

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #528dfa;
/* rgb */ color: rgb(82, 141, 250);
/* oklch */ color: oklch(65.7% 0.174 261.5);

Tailwind

colors: {
  custom: {
    50: '#93adfc',
    500: '#528dfa',
    950: '#000000',
  },
}

SCSS

$custom: #528dfa;
$custom-light: #93adfc;
$custom-dark: #000000;

JSON

{
  "hex": "#528dfa",
  "rgb": {
    "r": 82,
    "g": 141,
    "b": 250
  },
  "hsl": {
    "h": 218.929,
    "s": 94.382,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65712,
    "c": 0.17379,
    "h": 261.5
  },
  "luminance": 0.27746
}

Semantic roles & 50–950 ramp

primary

#528DFA

secondary

#F0DCB7

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #528DFA

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

Preview Lab → · Contrast checker → · Palette generator →