#528CE9#528CE9

#528CE9 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.153 H 259.4°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#528CE9
RGB	rgb(82, 140, 233)
HSL	hsl(217, 77%, 62%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(64.8%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(58.44, 10.07, -52.66)
CIE-LCH	lch(58.44, 53.62, 280.82°)
OKLab	oklab(64.47% -0.028 -0.15)
OKLCH	oklch(64.47% 0.153 259.4)
XYZ	xyz(27.5605, 26.4305, 80.7242)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528CE9 #E9AF52

analogous

#52D7E9 #528CE9 #6452E9

triadic

#528CE9 #E9528C #8CE952

tetradic

#528CE9 #E952D7 #E9AF52 #52E964

square

#528CE9 #E952D7 #E9AF52 #52E964

split-complementary

#528CE9 #E96452 #D7E952

monochromatic

#164FAB #1D68E1 #528CE9 #88B0F0 #BFD4F7

Accessibility & contrast

On white

3.34

#528CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#528CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528CE9

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528CE9	#FFFFFF	#000000	##000000
##528CE9	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6294ED

Deuteranopia (green-blind)

#4B86E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528ce9;
/* rgb */ color: rgb(82, 140, 233);
/* oklch */ color: oklch(64.5% 0.153 259.4);

Tailwind

colors: {
  custom: {
    50: '#91adf0',
    500: '#528ce9',
    950: '#000000',
  },
}

SCSS

$custom: #528ce9;
$custom-light: #91adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#528ce9",
  "rgb": {
    "r": 82,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 216.954,
    "s": 77.436,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64471,
    "c": 0.15258,
    "h": 259.4
  },
  "luminance": 0.26433
}

Semantic roles & 50–950 ramp

primary

#528CE9

secondary

#E7D2AF

accent

#8B0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528CE9

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

Preview Lab → · Contrast checker → · Palette generator →