#528FFF#528FFF

#528FFF is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.178 H 261.4°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#528FFF
RGB	rgb(82, 143, 255)
HSL	hsl(219, 100%, 66%)
HSV	hsv(219, 68%, 100%)
CMYK	cmyk(67.8%, 43.9%, 0%, 0%)
CIE-LAB	lab(60.48, 15.81, -61.55)
CIE-LCH	lch(60.48, 63.55, 284.40°)
OKLab	oklab(66.44% -0.0266 -0.1761)
OKLCH	oklch(66.44% 0.178 261.4)
XYZ	xyz(31.3457, 28.6556, 98.4675)
Luminance	0.2866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FFF #FFC252

analogous

#52E5FF #528FFF #6B52FF

triadic

#528FFF #FF528F #8FFF52

tetradic

#528FFF #FF52E5 #FFC252 #52FF6B

square

#528FFF #FF52E5 #FFC252 #52FF6B

split-complementary

#528FFF #FF6B52 #E5FF52

monochromatic

#004CD7 #1567FF #528FFF #8FB7FF #CCDEFF

Accessibility & contrast

On white

3.12

#528FFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#528FFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FFF

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FFF	#FFFFFF	#000000	##000000
##528FFF	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#589AFF

Deuteranopia (green-blind)

#388AFD

Tritanopia (blue-blind)

#00A9BB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #528fff;
/* rgb */ color: rgb(82, 143, 255);
/* oklch */ color: oklch(66.4% 0.178 261.4);

Tailwind

colors: {
  custom: {
    50: '#94afff',
    500: '#528fff',
    950: '#000000',
  },
}

SCSS

$custom: #528fff;
$custom-light: #94afff;
$custom-dark: #000000;

JSON

{
  "hex": "#528fff",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 255
  },
  "hsl": {
    "h": 218.844,
    "s": 100,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66437,
    "c": 0.17805,
    "h": 261.4
  },
  "luminance": 0.28659
}

Semantic roles & 50–950 ramp

primary

#528FFF

secondary

#F3DFBA

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #528FFF

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

Preview Lab → · Contrast checker → · Palette generator →