#528FE4#528FE4

#528FE4 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.8% C 0.143 H 257.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#528FE4
RGB	rgb(82, 143, 228)
HSL	hsl(215, 73%, 61%)
HSV	hsv(215, 64%, 89%)
CMYK	cmyk(64%, 37.3%, 0%, 10.6%)
CIE-LAB	lab(59.01, 6.58, -48.99)
CIE-LCH	lch(59.01, 49.43, 277.66°)
OKLab	oklab(64.83% -0.032 -0.1392)
OKLCH	oklch(64.83% 0.143 257)
XYZ	xyz(27.3007, 27.0376, 77.1638)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528FE4 #E4A752

analogous

#52D8E4 #528FE4 #5E52E4

triadic

#528FE4 #E4528F #8FE452

tetradic

#528FE4 #E452D8 #E4A752 #52E45E

square

#528FE4 #E452D8 #E4A752 #52E45E

split-complementary

#528FE4 #E45E52 #D8E452

monochromatic

#1953A2 #226DD7 #528FE4 #87B1EC #BCD4F5

Accessibility & contrast

On white

3.28

#528FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#528FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528FE4

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528FE4	#FFFFFF	#000000	##000000
##528FE4	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A95E7

Deuteranopia (green-blind)

#5588E2

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #528fe4;
/* rgb */ color: rgb(82, 143, 228);
/* oklch */ color: oklch(64.8% 0.143 257.0);

Tailwind

colors: {
  custom: {
    50: '#90afed',
    500: '#528fe4',
    950: '#000000',
  },
}

SCSS

$custom: #528fe4;
$custom-light: #90afed;
$custom-dark: #000000;

JSON

{
  "hex": "#528fe4",
  "rgb": {
    "r": 82,
    "g": 143,
    "b": 228
  },
  "hsl": {
    "h": 214.932,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64825,
    "c": 0.14282,
    "h": 257
  },
  "luminance": 0.2704
}

Semantic roles & 50–950 ramp

primary

#528FE4

secondary

#E5CDAD

accent

#8310D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528FE4

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

Preview Lab → · Contrast checker → · Palette generator →