#355d9f

Color #355d9f

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 19.28 Nearest Tailwind class sky-800 #00598a · ΔE 7

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Conversions

HEX

#355d9f

RGB

rgb(53, 93, 159)

HSL

hsl(217.4, 50%, 41.6%)

HSV / HSB

hsv(217.4, 66.7%, 62.4%)

CMYK

cmyk(66.7%, 41.5%, 0%, 37.6%)

LAB

lab(39.73, 8.08, -40.03)

LCH

lch(39.73, 40.84, 281.41)

OKLCH

oklch(48.3%, 0.1159, 259.91)

HWB

hwb(217.4, 20.8%, 37.6%)

Harmony colors

Complementary

#9f7735

Analogous

#35929f

#355d9f

#42359f

Triadic

#355d9f

#9f355d

#5d9f35

Split-complementary

#355d9f

#9f4235

#929f35

Tetradic

#355d9f

#77359f

#9f7735

#5d9f35

Square

#355d9f

#9f3592

#9f7735

#359f42

Shades

Color #355d9f mixed toward black.

#2c4d85

#233e6a

#1b2e50

#121f35

#090f1b

Tints

Color #355d9f mixed toward white.

#4574c1

#6a8fcd

#8fabda

#b5c7e6

#dae3f3

Tones

Color #355d9f mixed toward gray.

#3e5f96

#47618d

#506485

#58667c

#616873

Accessibility

Aa White text on this color

6.53:1

Aa Black text on this color

3.22:1

White text reads better on this background (6.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4a4a92 · ΔE 9.6

Deuteranopia

#47448f · ΔE 11

Tritanopia

#388785 · ΔE 27.9

Achromatopsia

#5e5e5e · ΔE 21.4

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

Code

CSS

background-color: #355d9f;

Tailwind (arbitrary value)

bg-[#355d9f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#355d9f (#355d9f) is rgb(53, 93, 159) in RGB.

No, #355d9f 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.

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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 #355d9f, or check how it holds up for accessibility.

Generate a palette → Check contrast