#355ba3

Color #355ba3

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.47 Nearest Tailwind class sky-800 #00598a · ΔE 7.6

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Conversions

HEX

#355ba3

RGB

rgb(53, 91, 163)

HSL

hsl(219.3, 50.9%, 42.4%)

HSV / HSB

hsv(219.3, 67.5%, 63.9%)

CMYK

cmyk(67.5%, 44.2%, 0%, 36.1%)

LAB

lab(39.38, 10.84, -42.97)

LCH

lch(39.38, 44.32, 284.16)

OKLCH

oklch(48.1%, 0.1239, 261.88)

HWB

hwb(219.3, 20.8%, 36.1%)

Harmony colors

Complementary

#a37d35

Analogous

#3592a3

#355ba3

#4635a3

Triadic

#355ba3

#a3355b

#5ba335

Split-complementary

#355ba3

#a34635

#92a335

Tetradic

#355ba3

#7d35a3

#a37d35

#5ba335

Square

#355ba3

#a33592

#a37d35

#35a346

Shades

Color #355ba3 mixed toward black.

#2c4c88

#233d6d

#1b2e52

#121e36

#090f1b

Tints

Color #355ba3 mixed toward white.

#4671c3

#6b8ecf

#90aadb

#b5c6e7

#dae3f3

Tones

Color #355ba3 mixed toward gray.

#3e5e9a

#476191

#516488

#5a667e

#636975

Accessibility

Aa White text on this color

6.61:1

Aa Black text on this color

3.18:1

White text reads better on this background (6.61:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#484996 · ΔE 8.6

Deuteranopia

#464392 · ΔE 10.3

Tritanopia

#388a87 · ΔE 29.9

Achromatopsia

#5d5d5d · ΔE 22.4

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

Code

CSS

background-color: #355ba3;

Tailwind (arbitrary value)

bg-[#355ba3]

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

#355ba3 (#355ba3) is rgb(53, 91, 163) in RGB.

No, #355ba3 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 #355ba3, or check how it holds up for accessibility.

Generate a palette → Check contrast