Palettes / Colors / #334FDB

#334FDB — Blue

#334FDB is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#334FDB 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 #DBBF33; it also sits naturally between #33A3DB and #6B33DB. 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 20% · Green 31% · Blue 86%

Cyan 77% · Magenta 64% · Yellow 0% · Key 14%

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

Previews

CSS code for #334FDB

.text { color: #334FDB; }
.background { background-color: #334FDB; }
.border { border: 3px solid #334FDB; }
.text-rgb { color: rgb(51, 79, 219); }
.text-hsl { color: hsl(230, 70%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #334FDB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 79, 219, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #334FDB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 79, 219, 0.8); }

HTML: <p style="color:#334FDB">Text here</p> · <div style="background-color:#334FDB">Div content here</div>

Shades of #334FDB

Tints of #334FDB

Tones of #334FDB

Color harmonies

Complementary — #DBBF33:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #334FDB: #FFFFFF.

How #334FDB 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 #334FDB 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

← #334FDA  ·  #334FDC →

Frequently asked questions

What color is #334FDB?

#334FDB is Blue, a blue color (RGB 51, 79, 219). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #334FDB?

#334FDB is RGB 51, 79, 219 — HSL 230°, 70%, 53% — CMYK 77%, 64%, 0%, 14%.

What colors go with #334FDB?

Its complement is #DBBF33; analogous partners are #33A3DB and #6B33DB. It also appears in 6+ palettes in our collection.

Can I use #334FDB for text?

White text on #334FDB has a contrast ratio of 6.40:1 (passes WCAG AA); black text gives 3.28:1.