#538AEF#538AEF

#538AEF is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.5% C 0.162 H 261.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#538AEF
RGB	rgb(83, 138, 239)
HSL	hsl(219, 83%, 63%)
HSV	hsv(219, 65%, 94%)
CMYK	cmyk(65.3%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(58.27, 13.48, -56.27)
CIE-LCH	lch(58.27, 57.86, 283.47°)
OKLab	oklab(64.45% -0.0241 -0.1606)
OKLCH	oklch(64.45% 0.162 261.5)
XYZ	xyz(28.2302, 26.2452, 85.2227)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AEF #EFB853

analogous

#53D8EF #538AEF #6A53EF

triadic

#538AEF #EF538A #8AEF53

tetradic

#538AEF #EF53D8 #EFB853 #53EF6A

square

#538AEF #EF53D8 #EFB853 #53EF6A

split-complementary

#538AEF #EF6A53 #D8EF53

monochromatic

#114BB7 #1B64EA #538AEF #8BB0F4 #C3D6F9

Accessibility & contrast

On white

3.36

#538AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#538AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AEF

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AEF	#FFFFFF	#000000	##000000
##538AEF	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B94F3

Deuteranopia (green-blind)

#4285ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538aef;
/* rgb */ color: rgb(83, 138, 239);
/* oklch */ color: oklch(64.5% 0.162 261.5);

Tailwind

colors: {
  custom: {
    50: '#92abf5',
    500: '#538aef',
    950: '#000000',
  },
}

SCSS

$custom: #538aef;
$custom-light: #92abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#538aef",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 218.846,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64454,
    "c": 0.16238,
    "h": 261.5
  },
  "luminance": 0.26248
}

Semantic roles & 50–950 ramp

primary

#538AEF

secondary

#EBD7B3

accent

#9306DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538AEF

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

Preview Lab → · Contrast checker → · Palette generator →