#528EE5#528EE5

#528EE5 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.7% C 0.145 H 257.7°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#528EE5
RGB	rgb(82, 142, 229)
HSL	hsl(216, 74%, 61%)
HSV	hsv(216, 64%, 90%)
CMYK	cmyk(64.2%, 38%, 0%, 10.2%)
CIE-LAB	lab(58.78, 7.52, -49.90)
CIE-LCH	lch(58.78, 50.46, 278.57°)
OKLab	oklab(64.67% -0.0308 -0.1419)
OKLCH	oklch(64.67% 0.145 257.7)
XYZ	xyz(27.2905, 26.7943, 77.8472)
Luminance	0.2680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#528EE5 #E5A952

analogous

#52D7E5 #528EE5 #5F52E5

triadic

#528EE5 #E5528E #8EE552

tetradic

#528EE5 #E552D7 #E5A952 #52E55F

square

#528EE5 #E552D7 #E5A952 #52E55F

split-complementary

#528EE5 #E55F52 #D7E552

monochromatic

#1952A4 #216CD9 #528EE5 #87B1ED #BCD4F5

Accessibility & contrast

On white

3.30

#528EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#528EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #528EE5

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##528EE5	#FFFFFF	#000000	##000000
##528EE5	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6895E9

Deuteranopia (green-blind)

#5287E3

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #528ee5;
/* rgb */ color: rgb(82, 142, 229);
/* oklch */ color: oklch(64.7% 0.145 257.7);

Tailwind

colors: {
  custom: {
    50: '#90aeed',
    500: '#528ee5',
    950: '#000000',
  },
}

SCSS

$custom: #528ee5;
$custom-light: #90aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#528ee5",
  "rgb": {
    "r": 82,
    "g": 142,
    "b": 229
  },
  "hsl": {
    "h": 215.51,
    "s": 73.869,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64666,
    "c": 0.14518,
    "h": 257.7
  },
  "luminance": 0.26797
}

Semantic roles & 50–950 ramp

primary

#528EE5

secondary

#E5CEAE

accent

#8510D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #528EE5

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

Preview Lab → · Contrast checker → · Palette generator →