Palettes / Colors / #355AD4

#355AD4 — Blue

#355AD4 is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#355AD4 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 #D4AF35; it also sits naturally between #35AAD4 and #5F35D4. 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 83%

Cyan 75% · Magenta 58% · Yellow 0% · Key 17%

Previews

CSS code for #355AD4

.text { color: #355AD4; }
.background { background-color: #355AD4; }
.border { border: 3px solid #355AD4; }
.text-rgb { color: rgb(53, 90, 212); }
.text-hsl { color: hsl(226, 65%, 52%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #355AD4; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(53, 90, 212, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #355AD4; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(53, 90, 212, 0.8); }

HTML: <p style="color:#355AD4">Text here</p> · <div style="background-color:#355AD4">Div content here</div>

Shades of #355AD4

Tints of #355AD4

Tones of #355AD4

Color harmonies

Complementary — #D4AF35:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #355AD4: #FFFFFF.

How #355AD4 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 #355AD4 or a close neighbour

Similar colors

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

Browse neighbouring colors

← #355AD3  ·  #355AD5 →

Frequently asked questions

What color is #355AD4?

#355AD4 is Blue, a blue color (RGB 53, 90, 212). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #355AD4?

#355AD4 is RGB 53, 90, 212 — HSL 226°, 65%, 52% — CMYK 75%, 58%, 0%, 17%.

What colors go with #355AD4?

Its complement is #D4AF35; analogous partners are #35AAD4 and #5F35D4. It also appears in 6+ palettes in our collection.

Can I use #355AD4 for text?

White text on #355AD4 has a contrast ratio of 5.89:1 (passes WCAG AA); black text gives 3.56:1.