#538CE3#538CE3

#538CE3 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.144 H 258.6°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#538CE3
RGB	rgb(83, 140, 227)
HSL	hsl(216, 72%, 61%)
HSV	hsv(216, 63%, 89%)
CMYK	cmyk(63.4%, 38.3%, 0%, 11%)
CIE-LAB	lab(58.17, 8.20, -49.76)
CIE-LCH	lch(58.17, 50.43, 279.36°)
OKLab	oklab(64.17% -0.0285 -0.1415)
OKLCH	oklch(64.17% 0.144 258.6)
XYZ	xyz(26.8056, 26.1387, 76.2908)
Luminance	0.2614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CE3 #E3AA53

analogous

#53D4E3 #538CE3 #6253E3

triadic

#538CE3 #E3538C #8CE353

tetradic

#538CE3 #E353D4 #E3AA53 #53E362

square

#538CE3 #E353D4 #E3AA53 #53E362

split-complementary

#538CE3 #E36253 #D4E353

monochromatic

#1A50A1 #236AD6 #538CE3 #88AFEC #BCD2F4

Accessibility & contrast

On white

3.37

#538CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#538CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CE3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CE3	#FFFFFF	#000000	##000000
##538CE3	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)

#6693E6

Deuteranopia (green-blind)

#5186E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538ce3;
/* rgb */ color: rgb(83, 140, 227);
/* oklch */ color: oklch(64.2% 0.144 258.6);

Tailwind

colors: {
  custom: {
    50: '#90adec',
    500: '#538ce3',
    950: '#000000',
  },
}

SCSS

$custom: #538ce3;
$custom-light: #90adec;
$custom-dark: #000000;

JSON

{
  "hex": "#538ce3",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 227
  },
  "hsl": {
    "h": 216.25,
    "s": 72,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64166,
    "c": 0.14431,
    "h": 258.6
  },
  "luminance": 0.26141
}

Semantic roles & 50–950 ramp

primary

#538CE3

secondary

#E4CFAE

accent

#8711D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538CE3

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

Preview Lab → · Contrast checker → · Palette generator →