#558ceb

Color #558ceb

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 5.57 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.5

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

Conversions

HEX

#558ceb

RGB

rgb(85, 140, 235)

HSL

hsl(218, 78.9%, 62.7%)

HSV / HSB

hsv(218, 63.8%, 92.2%)

CMYK

cmyk(63.8%, 40.4%, 0%, 7.8%)

LAB

lab(58.68, 11.25, -53.39)

LCH

lch(58.68, 54.56, 281.9)

OKLCH

oklch(64.7%, 0.1542, 260.59)

HWB

hwb(218, 33.3%, 7.8%)

Harmony colors

Complementary

#ebb455

Analogous

#55d7eb

#558ceb

#6955eb

Triadic

#558ceb

#eb558c

#8ceb55

Split-complementary

#558ceb

#eb6955

#d7eb55

Tetradic

#558ceb

#b455eb

#ebb455

#8ceb55

Square

#558ceb

#eb55d7

#ebb455

#55eb69

Shades

Color #558ceb mixed toward black.

#256ce5

#1654bf

#113f8f

#0b2a5f

#061530

Tints

Color #558ceb mixed toward white.

#719fee

#8eb2f2

#aac5f5

#c6d9f8

#e3ecfc

Tones

Color #558ceb mixed toward gray.

#618fde

#6e93d2

#7a96c5

#8799b9

#939dac

Accessibility

Aa White text on this color

3.31:1

Aa Black text on this color

6.34:1

Black text reads better on this background (6.34:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7171d9 · ΔE 12.2

Deuteranopia

#6e69d4 · ΔE 14.5

Tritanopia

#59c9c5 · ΔE 32.3

Achromatopsia

#8d8d8d · ΔE 24.5

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

Code

CSS

background-color: #558ceb;

Tailwind (arbitrary value)

bg-[#558ceb]

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

#558ceb (#558ceb) is rgb(85, 140, 235) in RGB.

No, #558ceb is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #558ceb, or check how it holds up for accessibility.

Generate a palette → Check contrast