#355aaa

Color #355aaa

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.56 Nearest Tailwind class sky-800 #00598a · ΔE 8.3

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#355aaa

RGB

rgb(53, 90, 170)

HSL

hsl(221, 52.5%, 43.7%)

HSV / HSB

hsv(221, 68.8%, 66.7%)

CMYK

cmyk(68.8%, 47.1%, 0%, 33.3%)

LAB

lab(39.53, 14.08, -46.88)

LCH

lch(39.53, 48.95, 286.72)

OKLCH

oklch(48.4%, 0.1351, 263.5)

HWB

hwb(221, 20.8%, 33.3%)

Harmony colors

Complementary

#aa8535

Analogous

#3594aa

#355aaa

#4a35aa

Triadic

#355aaa

#aa355a

#5aaa35

Split-complementary

#355aaa

#aa4a35

#94aa35

Tetradic

#355aaa

#8535aa

#aa8535

#5aaa35

Square

#355aaa

#aa3594

#aa8535

#35aa4a

Shades

Color #355aaa mixed toward black.

#2c4b8e

#233c71

#1a2d55

#121e39

#090f1c

Tints

Color #355aaa mixed toward white.

#4970c6

#6d8dd2

#92a9dd

#b6c6e8

#dbe2f4

Tones

Color #355aaa mixed toward gray.

#3f5ea0

#486196

#52658d

#5c6883

#666c79

Accessibility

Aa White text on this color

6.57:1

Aa Black text on this color

3.19:1

White text reads better on this background (6.57:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#48489b · ΔE 8.3

Deuteranopia

#464398 · ΔE 9.6

Tritanopia

#388e8b · ΔE 31.7

Achromatopsia

#5d5d5d · ΔE 23.5

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

Code

CSS

background-color: #355aaa;

Tailwind (arbitrary value)

bg-[#355aaa]

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

#355aaa (#355aaa) is rgb(53, 90, 170) in RGB.

No, #355aaa 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #355aaa, or check how it holds up for accessibility.

Generate a palette → Check contrast