#538CDE#538CDE

#538CDE is a light, vivid blue. Relative luminance 0.259; OKLCH L 63.9% C 0.138 H 257.6°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#538CDE
RGB	rgb(83, 140, 222)
HSL	hsl(215, 68%, 60%)
HSV	hsv(215, 63%, 87%)
CMYK	cmyk(62.6%, 36.9%, 0%, 12.9%)
CIE-LAB	lab(57.91, 6.52, -47.38)
CIE-LCH	lch(57.91, 47.83, 277.83°)
OKLab	oklab(63.88% -0.0296 -0.1345)
OKLCH	oklch(63.88% 0.138 257.6)
XYZ	xyz(26.1255, 25.8666, 72.7090)
Luminance	0.2587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CDE #DEA553

analogous

#53D1DE #538CDE #6053DE

triadic

#538CDE #DE538C #8CDE53

tetradic

#538CDE #DE53D1 #DEA553 #53DE60

square

#538CDE #DE53D1 #DEA553 #53DE60

split-complementary

#538CDE #DE6053 #D1DE53

monochromatic

#1D5099 #276BCD #538CDE #86AEE8 #BAD1F2

Accessibility & contrast

On white

3.40

#538CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#538CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CDE

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CDE	#FFFFFF	#000000	##000000
##538CDE	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E1

Deuteranopia (green-blind)

#5585DC

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538cde;
/* rgb */ color: rgb(83, 140, 222);
/* oklch */ color: oklch(63.9% 0.138 257.6);

Tailwind

colors: {
  custom: {
    50: '#8fade8',
    500: '#538cde',
    950: '#000000',
  },
}

SCSS

$custom: #538cde;
$custom-light: #8fade8;
$custom-dark: #000000;

JSON

{
  "hex": "#538cde",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 222
  },
  "hsl": {
    "h": 215.396,
    "s": 67.805,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63881,
    "c": 0.13773,
    "h": 257.6
  },
  "luminance": 0.25869
}

Semantic roles & 50–950 ramp

primary

#538CDE

secondary

#E1CBAC

accent

#A43DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538CDE

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

Preview Lab → · Contrast checker → · Palette generator →