Palettes / Colors / #355ADE

#355ADE — Blue

#355ADE is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #355ADE when you need this exact shade.

Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.

#355ADE is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #DEBA35; it also sits naturally between #35AEDE and #6535DE. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 21% · Green 35% · Blue 87%

Cyan 76% · Magenta 59% · Yellow 0% · Key 13%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #355ADE

.text { color: #355ADE; }
.background { background-color: #355ADE; }
.border { border: 3px solid #355ADE; }
.text-rgb { color: rgb(53, 90, 222); }
.text-hsl { color: hsl(227, 72%, 54%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #355ADE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(53, 90, 222, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #355ADE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(53, 90, 222, 0.8); }

HTML: <p style="color:#355ADE">Text here</p> · <div style="background-color:#355ADE">Div content here</div>

Shades of #355ADE

Tints of #355ADE

Tones of #355ADE

Color harmonies

Complementary — #DEBA35:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #355ADE: #FFFFFF.

Semi-transparent (opacity) text on #355ADE

Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:

How #355ADE looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Closest design-system colors

The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:

Palettes with a similar color

These palettes use a close neighbour of #355ADE rather than the exact color:

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

Browse neighbouring colors

← #355ADD  ·  #355ADF →

Frequently asked questions

What color is #355ADE?

#355ADE is Blue, a blue color (RGB 53, 90, 222). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #355ADE?

#355ADE is RGB 53, 90, 222 — HSL 227°, 72%, 54% — CMYK 76%, 59%, 0%, 13%.

What colors go with #355ADE?

Its complement is #DEBA35; analogous partners are #35AEDE and #6535DE. It also appears in 6+ palettes in our collection.

Can I use #355ADE for text?

White text on #355ADE has a contrast ratio of 5.72:1 (passes WCAG AA); black text gives 3.67:1.