#528BEB#528BEB

#528BEB is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.156 H 260.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#528BEB
RGB	rgb(82, 139, 235)
HSL	hsl(218, 79%, 62%)
HSV	hsv(218, 65%, 92%)
CMYK	cmyk(65.1%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(58.28, 11.35, -54.04)
CIE-LCH	lch(58.28, 55.22, 281.86°)
OKLab	oklab(64.38% -0.0266 -0.154)
OKLCH	oklch(64.38% 0.156 260.2)
XYZ	xyz(27.7024, 26.2545, 82.1889)
Luminance	0.2626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BEB #EBB252

analogous

#52D8EB #528BEB #6652EB

triadic

#528BEB #EB528B #8BEB52

tetradic

#528BEB #EB52D8 #EBB252 #52EB66

square

#528BEB #EB52D8 #EBB252 #52EB66

split-complementary

#528BEB #EB6652 #D8EB52

monochromatic

#144EAE #1B66E5 #528BEB #89B0F1 #C0D5F8

Accessibility & contrast

On white

3.36

#528BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#528BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BEB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BEB	#FFFFFF	#000000	##000000
##528BEB	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94EF

Deuteranopia (green-blind)

#4786E9

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #528beb;
/* rgb */ color: rgb(82, 139, 235);
/* oklch */ color: oklch(64.4% 0.156 260.2);

Tailwind

colors: {
  custom: {
    50: '#91acf2',
    500: '#528beb',
    950: '#000000',
  },
}

SCSS

$custom: #528beb;
$custom-light: #91acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#528beb",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 217.647,
    "s": 79.275,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64378,
    "c": 0.15632,
    "h": 260.2
  },
  "luminance": 0.26257
}

Semantic roles & 50–950 ramp

primary

#528BEB

secondary

#E8D4B0

accent

#8D0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #528BEB

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

Preview Lab → · Contrast checker → · Palette generator →