#528FE5#528FE5

#528FE5 is a light, vivid blue. Relative luminance 0.271; OKLCH L 64.9% C 0.144 H 257.3°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#528FE5
RGB	rgb(82, 143, 229)
HSL	hsl(215, 74%, 61%)
HSV	hsv(215, 64%, 90%)
CMYK	cmyk(64.2%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(59.06, 6.92, -49.46)
CIE-LCH	lch(59.06, 49.94, 277.97°)
OKLab	oklab(64.88% -0.0318 -0.1406)
OKLCH	oklch(64.88% 0.144 257.3)
XYZ	xyz(27.4399, 27.0932, 77.8970)
Luminance	0.2710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FE5 #E5A852

analogous

#52D8E5 #528FE5 #5E52E5

triadic

#528FE5 #E5528F #8FE552

tetradic

#528FE5 #E552D8 #E5A852 #52E55E

square

#528FE5 #E552D8 #E5A852 #52E55E

split-complementary

#528FE5 #E55E52 #D8E552

monochromatic

#1952A4 #216DD9 #528FE5 #87B1ED #BCD4F5

Accessibility & contrast

On white

3.27

#528FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#528FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FE5

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FE5	#FFFFFF	#000000	##000000
##528FE5	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6996E8

Deuteranopia (green-blind)

#5488E3

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528fe5;
/* rgb */ color: rgb(82, 143, 229);
/* oklch */ color: oklch(64.9% 0.144 257.3);

Tailwind

colors: {
  custom: {
    50: '#90afed',
    500: '#528fe5',
    950: '#000000',
  },
}

SCSS

$custom: #528fe5;
$custom-light: #90afed;
$custom-dark: #000000;

JSON

{
  "hex": "#528fe5",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 215.102,
    "s": 73.869,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64882,
    "c": 0.14412,
    "h": 257.3
  },
  "luminance": 0.27096
}

Semantic roles & 50–950 ramp

primary

#528FE5

secondary

#E5CEAE

accent

#8410D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528FE5

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

Preview Lab → · Contrast checker → · Palette generator →