#2558ae

Color #2558ae

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.26 Nearest Tailwind class sky-800 #00598a · ΔE 7.4

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Conversions

HEX

#2558ae

RGB

rgb(37, 88, 174)

HSL

hsl(217.7, 64.9%, 41.4%)

HSV / HSB

hsv(217.7, 78.7%, 68.2%)

CMYK

cmyk(78.7%, 49.4%, 0%, 31.8%)

LAB

lab(38.6, 14.72, -50.78)

LCH

lch(38.6, 52.87, 286.17)

OKLCH

oklch(47.6%, 0.1481, 260.25)

HWB

hwb(217.7, 14.5%, 31.8%)

Harmony colors

Complementary

#ae7b25

Analogous

#259cae

#2558ae

#3725ae

Triadic

#2558ae

#ae2558

#58ae25

Split-complementary

#2558ae

#ae3725

#9cae25

Tetradic

#2558ae

#7b25ae

#ae7b25

#58ae25

Square

#2558ae

#ae259c

#ae7b25

#25ae37

Shades

Color #2558ae mixed toward black.

#1f4991

#193b74

#132c57

#0c1d3a

#060f1d

Tints

Color #2558ae mixed toward white.

#326ed3

#5b8bdc

#84a8e5

#adc5ee

#d6e2f6

Tones

Color #2558ae mixed toward gray.

#305ba3

#3c5e97

#47618c

#536480

#5e6775

Accessibility

Aa White text on this color

6.81:1

Aa Black text on this color

3.09:1

White text reads better on this background (6.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#41419f · ΔE 10

Deuteranopia

#3e3a9b · ΔE 11.8

Tritanopia

#29918e · ΔE 33.4

Achromatopsia

#5b5b5b · ΔE 24.2

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

Code

CSS

background-color: #2558ae;

Tailwind (arbitrary value)

bg-[#2558ae]

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

#2558ae (#2558ae) is rgb(37, 88, 174) in RGB.

No, #2558ae 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.

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #2558ae, or check how it holds up for accessibility.

Generate a palette → Check contrast