#538ADD#538ADD

#538ADD is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.4% C 0.139 H 258.4°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#538ADD
RGB	rgb(83, 138, 221)
HSL	hsl(216, 67%, 60%)
HSV	hsv(216, 62%, 87%)
CMYK	cmyk(62.4%, 37.6%, 0%, 13.3%)
CIE-LAB	lab(57.30, 7.37, -47.78)
CIE-LCH	lch(57.30, 48.35, 278.77°)
OKLab	oklab(63.39% -0.0278 -0.1357)
OKLCH	oklch(63.39% 0.139 258.4)
XYZ	xyz(25.7023, 25.2340, 71.9088)
Luminance	0.2524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538ADD #DDA653

analogous

#53CFDD #538ADD #6153DD

triadic

#538ADD #DD538A #8ADD53

tetradic

#538ADD #DD53CF #DDA653 #53DD61

square

#538ADD #DD53CF #DDA653 #53DD61

split-complementary

#538ADD #DD6153 #CFDD53

monochromatic

#1E4E98 #2869CB #538ADD #86ADE7 #B9D0F1

Accessibility & contrast

On white

3.47

#538ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#538ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538ADD

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538ADD	#FFFFFF	#000000	##000000
##538ADD	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E0

Deuteranopia (green-blind)

#5384DB

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538add;
/* rgb */ color: rgb(83, 138, 221);
/* oklch */ color: oklch(63.4% 0.139 258.4);

Tailwind

colors: {
  custom: {
    50: '#8fabe8',
    500: '#538add',
    950: '#000000',
  },
}

SCSS

$custom: #538add;
$custom-light: #8fabe8;
$custom-dark: #000000;

JSON

{
  "hex": "#538add",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 216.087,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63392,
    "c": 0.13853,
    "h": 258.4
  },
  "luminance": 0.25236
}

Semantic roles & 50–950 ramp

primary

#538ADD

secondary

#E1CBAB

accent

#A53EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538ADD

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

Preview Lab → · Contrast checker → · Palette generator →