#528BE9#528BE9

#528BE9 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.154 H 259.9°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#528BE9
RGB	rgb(82, 139, 233)
HSL	hsl(217, 77%, 62%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(64.8%, 40.3%, 0%, 8.6%)
CIE-LAB	lab(58.17, 10.66, -53.10)
CIE-LCH	lch(58.17, 54.16, 281.36°)
OKLab	oklab(64.26% -0.027 -0.1513)
OKLCH	oklch(64.26% 0.154 259.9)
XYZ	xyz(27.4150, 26.1396, 80.6757)
Luminance	0.2614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BE9 #E9B052

analogous

#52D7E9 #528BE9 #6552E9

triadic

#528BE9 #E9528B #8BE952

tetradic

#528BE9 #E952D7 #E9B052 #52E965

square

#528BE9 #E952D7 #E9B052 #52E965

split-complementary

#528BE9 #E96552 #D7E952

monochromatic

#164EAB #1D67E1 #528BE9 #88AFF0 #BFD4F7

Accessibility & contrast

On white

3.37

#528BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#528BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BE9

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BE9	#FFFFFF	#000000	##000000
##528BE9	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6093ED

Deuteranopia (green-blind)

#4985E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #528be9;
/* rgb */ color: rgb(82, 139, 233);
/* oklch */ color: oklch(64.3% 0.154 259.9);

Tailwind

colors: {
  custom: {
    50: '#91acf0',
    500: '#528be9',
    950: '#000000',
  },
}

SCSS

$custom: #528be9;
$custom-light: #91acf0;
$custom-dark: #000000;

JSON

{
  "hex": "#528be9",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 233
  },
  "hsl": {
    "h": 217.351,
    "s": 77.436,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64259,
    "c": 0.15368,
    "h": 259.9
  },
  "luminance": 0.26142
}

Semantic roles & 50–950 ramp

primary

#528BE9

secondary

#E7D2AF

accent

#8C0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528BE9

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

Preview Lab → · Contrast checker → · Palette generator →