#538EE8#538EE8

#538EE8 is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.149 H 258.6°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#538EE8
RGB	rgb(83, 142, 232)
HSL	hsl(216, 76%, 62%)
HSV	hsv(216, 64%, 91%)
CMYK	cmyk(64.2%, 38.8%, 0%, 9%)
CIE-LAB	lab(58.98, 8.70, -51.25)
CIE-LCH	lch(58.98, 51.98, 279.64°)
OKLab	oklab(64.88% -0.0294 -0.1458)
OKLCH	oklch(64.88% 0.149 258.6)
XYZ	xyz(27.8006, 27.0085, 80.0764)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EE8 #E8AD53

analogous

#53D8E8 #538EE8 #6353E8

triadic

#538EE8 #E8538E #8EE853

tetradic

#538EE8 #E853D8 #E8AD53 #53E863

square

#538EE8 #E853D8 #E8AD53 #53E863

split-complementary

#538EE8 #E86353 #D8E853

monochromatic

#1751AA #1E6BE0 #538EE8 #89B1EF #BFD5F6

Accessibility & contrast

On white

3.28

#538EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#538EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EE8

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EE8	#FFFFFF	#000000	##000000
##538EE8	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EC

Deuteranopia (green-blind)

#5088E6

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #538ee8;
/* rgb */ color: rgb(83, 142, 232);
/* oklch */ color: oklch(64.9% 0.149 258.6);

Tailwind

colors: {
  custom: {
    50: '#91aef0',
    500: '#538ee8',
    950: '#000000',
  },
}

SCSS

$custom: #538ee8;
$custom-light: #91aef0;
$custom-dark: #000000;

JSON

{
  "hex": "#538ee8",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 232
  },
  "hsl": {
    "h": 216.242,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64883,
    "c": 0.14873,
    "h": 258.6
  },
  "luminance": 0.27011
}

Semantic roles & 50–950 ramp

primary

#538EE8

secondary

#E7D1B0

accent

#880DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538EE8

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

Preview Lab → · Contrast checker → · Palette generator →