#528BE5#528BE5

#528BE5 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.0% C 0.148 H 259.2°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#528BE5
RGB	rgb(82, 139, 229)
HSL	hsl(217, 74%, 61%)
HSV	hsv(217, 64%, 90%)
CMYK	cmyk(64.2%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(57.95, 9.30, -51.22)
CIE-LCH	lch(57.95, 52.05, 280.30°)
OKLab	oklab(64.02% -0.0278 -0.1458)
OKLCH	oklch(64.02% 0.148 259.2)
XYZ	xyz(26.8501, 25.9136, 77.7004)
Luminance	0.2592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528BE5 #E5AC52

analogous

#52D4E5 #528BE5 #6252E5

triadic

#528BE5 #E5528B #8BE552

tetradic

#528BE5 #E552D4 #E5AC52 #52E562

square

#528BE5 #E552D4 #E5AC52 #52E562

split-complementary

#528BE5 #E56252 #D4E552

monochromatic

#194FA4 #2168D9 #528BE5 #87AFED #BCD2F5

Accessibility & contrast

On white

3.40

#528BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#528BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528BE5

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528BE5	#FFFFFF	#000000	##000000
##528BE5	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6393E9

Deuteranopia (green-blind)

#4D85E3

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #528be5;
/* rgb */ color: rgb(82, 139, 229);
/* oklch */ color: oklch(64.0% 0.148 259.2);

Tailwind

colors: {
  custom: {
    50: '#90acee',
    500: '#528be5',
    950: '#000000',
  },
}

SCSS

$custom: #528be5;
$custom-light: #90acee;
$custom-dark: #000000;

JSON

{
  "hex": "#528be5",
  "rgb": {
    "r": 82,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 216.735,
    "s": 73.869,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64023,
    "c": 0.1484,
    "h": 259.2
  },
  "luminance": 0.25916
}

Semantic roles & 50–950 ramp

primary

#528BE5

secondary

#E5D0AE

accent

#8910D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528BE5

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

Preview Lab → · Contrast checker → · Palette generator →