#538AE1#538AE1

#538AE1 is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.144 H 259.2°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#538AE1
RGB	rgb(83, 138, 225)
HSL	hsl(217, 70%, 60%)
HSV	hsv(217, 63%, 88%)
CMYK	cmyk(63.1%, 38.7%, 0%, 11.8%)
CIE-LAB	lab(57.51, 8.72, -49.69)
CIE-LCH	lch(57.51, 50.45, 279.95°)
OKLab	oklab(63.62% -0.0269 -0.1413)
OKLCH	oklch(63.62% 0.144 259.2)
XYZ	xyz(26.2415, 25.4497, 74.7489)
Luminance	0.2545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AE1 #E1AA53

analogous

#53D1E1 #538AE1 #6353E1

triadic

#538AE1 #E1538A #8AE153

tetradic

#538AE1 #E153D1 #E1AA53 #53E163

square

#538AE1 #E153D1 #E1AA53 #53E163

split-complementary

#538AE1 #E16353 #D1E153

monochromatic

#1C4E9E #2568D2 #538AE1 #87ADEA #BBD1F3

Accessibility & contrast

On white

3.45

#538AE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#538AE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AE1

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AE1	#FFFFFF	#000000	##000000
##538AE1	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6491E4

Deuteranopia (green-blind)

#4F84DF

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538ae1;
/* rgb */ color: rgb(83, 138, 225);
/* oklch */ color: oklch(63.6% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#90abeb',
    500: '#538ae1',
    950: '#000000',
  },
}

SCSS

$custom: #538ae1;
$custom-light: #90abeb;
$custom-dark: #000000;

JSON

{
  "hex": "#538ae1",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 225
  },
  "hsl": {
    "h": 216.761,
    "s": 70.297,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63621,
    "c": 0.14383,
    "h": 259.2
  },
  "luminance": 0.25452
}

Semantic roles & 50–950 ramp

primary

#538AE1

secondary

#E3CEAD

accent

#8813D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538AE1

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

Preview Lab → · Contrast checker → · Palette generator →