#538df4

Color #538df4

A vivid, highly saturated light blue.

Closest named color Dodger Blue #1e90ff · ΔE 6.99 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#538df4

RGB

rgb(83, 141, 244)

HSL

hsl(218.4, 88%, 64.1%)

HSV / HSB

hsv(218.4, 66%, 95.7%)

CMYK

cmyk(66%, 42.2%, 0%, 4.3%)

LAB

lab(59.36, 13.38, -57.29)

LCH

lch(59.36, 58.83, 283.15)

OKLCH

oklch(65.4%, 0.1656, 260.96)

HWB

hwb(218.4, 32.5%, 4.3%)

Harmony colors

Complementary

#f4ba53

Analogous

#53ddf4

#538df4

#6953f4

Triadic

#538df4

#f4538d

#8df453

Split-complementary

#538df4

#f46953

#ddf453

Tetradic

#538df4

#ba53f4

#f4ba53

#8df453

Square

#538df4

#f453dd

#f4ba53

#53f469

Shades

Color #538df4 mixed toward black.

#206bf1

#0d52cd

#0a3e9a

#072966

#031533

Tints

Color #538df4 mixed toward white.

#70a0f6

#8cb3f8

#a9c6fa

#c6d9fb

#e2ecfd

Tones

Color #538df4 mixed toward gray.

#6091e7

#6e94d9

#7b98cc

#899cbe

#96a0b1

Accessibility

Aa White text on this color

3.24:1

Aa Black text on this color

6.48:1

Black text reads better on this background (6.48:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7171e1 · ΔE 12.3

Deuteranopia

#6d69dc · ΔE 14.5

Tritanopia

#57d0cc · ΔE 33.7

Achromatopsia

#8f8f8f · ΔE 25.4

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #538df4;

Tailwind (arbitrary value)

bg-[#538df4]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#538df4 (#538df4) is rgb(83, 141, 244) in RGB.

No, #538df4 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #538df4, or check how it holds up for accessibility.

Generate a palette → Check contrast