#558df1

Color #558df1

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 7.75 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.7

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

Conversions

HEX

#558df1

RGB

rgb(85, 141, 241)

HSL

hsl(218.5, 84.8%, 63.9%)

HSV / HSB

hsv(218.5, 64.7%, 94.5%)

CMYK

cmyk(64.7%, 41.5%, 0%, 5.5%)

LAB

lab(59.28, 12.69, -55.76)

LCH

lch(59.28, 57.19, 282.82)

OKLCH

oklch(65.3%, 0.161, 261.06)

HWB

hwb(218.5, 33.3%, 5.5%)

Harmony colors

Complementary

#f1b955

Analogous

#55dbf1

#558df1

#6b55f1

Triadic

#558df1

#f1558d

#8df155

Split-complementary

#558df1

#f16b55

#dbf155

Tetradic

#558df1

#b955f1

#f1b955

#8df155

Square

#558df1

#f155db

#f1b955

#55f16b

Shades

Color #558df1 mixed toward black.

#236bed

#1153c9

#0c3e97

#082964

#041532

Tints

Color #558df1 mixed toward white.

#71a0f3

#8eb3f6

#aac6f8

#c6d9fa

#e3ecfd

Tones

Color #558df1 mixed toward gray.

#6291e4

#6f94d7

#7c98ca

#899cbd

#969fb0

Accessibility

Aa White text on this color

3.25:1

Aa Black text on this color

6.47:1

Black text reads better on this background (6.47:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7272de · ΔE 12.1

Deuteranopia

#6e6ad9 · ΔE 14.2

Tritanopia

#59ceca · ΔE 33.2

Achromatopsia

#8f8f8f · ΔE 25.1

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

Code

CSS

background-color: #558df1;

Tailwind (arbitrary value)

bg-[#558df1]

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

#558df1 (#558df1) is rgb(85, 141, 241) in RGB.

No, #558df1 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 #558df1, or check how it holds up for accessibility.

Generate a palette → Check contrast