#538DE0#538DE0

#538DE0 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.2% C 0.139 H 257.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#538DE0
RGB	rgb(83, 141, 224)
HSL	hsl(215, 69%, 60%)
HSV	hsv(215, 63%, 88%)
CMYK	cmyk(62.9%, 37.1%, 0%, 12.2%)
CIE-LAB	lab(58.29, 6.60, -47.89)
CIE-LCH	lch(58.29, 48.35, 277.84°)
OKLab	oklab(64.21% -0.0302 -0.136)
OKLCH	oklch(64.21% 0.139 257.5)
XYZ	xyz(26.5419, 26.2681, 74.1781)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DE0 #E0A653

analogous

#53D4E0 #538DE0 #5F53E0

triadic

#538DE0 #E0538D #8DE053

tetradic

#538DE0 #E053D4 #E0A653 #53E05F

square

#538DE0 #E053D4 #E0A653 #53E05F

split-complementary

#538DE0 #E05F53 #D4E053

monochromatic

#1C519C #266CD0 #538DE0 #87AFE9 #BBD2F3

Accessibility & contrast

On white

3.36

#538DE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#538DE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DE0

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DE0	#FFFFFF	#000000	##000000
##538DE0	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)

#6993E3

Deuteranopia (green-blind)

#5586DE

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538de0;
/* rgb */ color: rgb(83, 141, 224);
/* oklch */ color: oklch(64.2% 0.139 257.5);

Tailwind

colors: {
  custom: {
    50: '#90adea',
    500: '#538de0',
    950: '#000000',
  },
}

SCSS

$custom: #538de0;
$custom-light: #90adea;
$custom-dark: #000000;

JSON

{
  "hex": "#538de0",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 224
  },
  "hsl": {
    "h": 215.319,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6421,
    "c": 0.13931,
    "h": 257.5
  },
  "luminance": 0.26271
}

Semantic roles & 50–950 ramp

primary

#538DE0

secondary

#E2CCAC

accent

#8414D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538DE0

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

Preview Lab → · Contrast checker → · Palette generator →