#3a558f

Color #3a558f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 19.77 Nearest Tailwind class slate-600 #45556c · ΔE 7.7

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Conversions

HEX

#3a558f

RGB

rgb(58, 85, 143)

HSL

hsl(220.9, 42.3%, 39.4%)

HSV / HSB

hsv(220.9, 59.4%, 56.1%)

CMYK

cmyk(59.4%, 40.6%, 0%, 43.9%)

LAB

lab(36.7, 8.47, -35.2)

LCH

lch(36.7, 36.2, 283.53)

OKLCH

oklch(45.7%, 0.1005, 264)

HWB

hwb(220.9, 22.7%, 43.9%)

Harmony colors

Complementary

#8f743a

Analogous

#3a808f

#3a558f

#493a8f

Triadic

#3a558f

#8f3a55

#558f3a

Split-complementary

#3a558f

#8f493a

#808f3a

Tetradic

#3a558f

#743a8f

#8f743a

#558f3a

Square

#3a558f

#8f3a80

#8f743a

#3a8f49

Shades

Color #3a558f mixed toward black.

#304777

#27395f

#1d2b47

#131c30

#0a0e18

Tints

Color #3a558f mixed toward white.

#496bb4

#6c88c4

#91a6d2

#b6c4e1

#dae1f0

Tones

Color #3a558f mixed toward gray.

#415888

#485a81

#4f5d7a

#565f73

#5d626c

Accessibility

Aa White text on this color

7.3:1

Aa Black text on this color

2.88:1

White text reads better on this background (7.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#474784 · ΔE 7.2

Deuteranopia

#464381 · ΔE 8.4

Tritanopia

#3c7a78 · ΔE 26.2

Achromatopsia

#565656 · ΔE 20.2

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

Code

CSS

background-color: #3a558f;

Tailwind (arbitrary value)

bg-[#3a558f]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3a558f (#3a558f) is rgb(58, 85, 143) in RGB.

No, #3a558f 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.

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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 #3a558f, or check how it holds up for accessibility.

Generate a palette → Check contrast