#355fa3

Color #355fa3

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 19.33 Nearest Tailwind class sky-700 #0069a8 · ΔE 6.9

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Conversions

HEX

#355fa3

RGB

rgb(53, 95, 163)

HSL

hsl(217.1, 50.9%, 42.4%)

HSV / HSB

hsv(217.1, 67.5%, 63.9%)

CMYK

cmyk(67.5%, 41.7%, 0%, 36.1%)

LAB

lab(40.55, 8.26, -41.1)

LCH

lch(40.55, 41.92, 281.36)

OKLCH

oklch(49%, 0.1192, 259.6)

HWB

hwb(217.1, 20.8%, 36.1%)

Harmony colors

Complementary

#a37935

Analogous

#3596a3

#355fa3

#4235a3

Triadic

#355fa3

#a3355f

#5fa335

Split-complementary

#355fa3

#a34235

#96a335

Tetradic

#355fa3

#7935a3

#a37935

#5fa335

Square

#355fa3

#a33596

#a37935

#35a342

Shades

Color #355fa3 mixed toward black.

#2c4f88

#233f6d

#1b3052

#122036

#09101b

Tints

Color #355fa3 mixed toward white.

#4676c3

#6b91cf

#90addb

#b5c8e7

#dae4f3

Tones

Color #355fa3 mixed toward gray.

#3e619a

#476391

#516688

#5a687e

#636a75

Accessibility

Aa White text on this color

6.33:1

Aa Black text on this color

3.32:1

White text reads better on this background (6.33:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4b4b96 · ΔE 9.9

Deuteranopia

#484593 · ΔE 11.4

Tritanopia

#388b88 · ΔE 28.8

Achromatopsia

#606060 · ΔE 21.7

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

Code

CSS

background-color: #355fa3;

Tailwind (arbitrary value)

bg-[#355fa3]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#355fa3 (#355fa3) is rgb(53, 95, 163) in RGB.

No, #355fa3 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 #355fa3, or check how it holds up for accessibility.

Generate a palette → Check contrast