Palettes / Colors / #376FFB

#376FFB — Vivid Blue

#376FFB is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#376FFB 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 #FBC337; it also sits naturally between #37D0FB and #6237FB. 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 22% · Green 44% · Blue 98%

Cyan 78% · Magenta 56% · Yellow 0% · Key 2%

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

Previews

CSS code for #376FFB

.text { color: #376FFB; }
.background { background-color: #376FFB; }
.border { border: 3px solid #376FFB; }
.text-rgb { color: rgb(55, 111, 251); }
.text-hsl { color: hsl(223, 96%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #376FFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(55, 111, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #376FFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(55, 111, 251, 0.8); }

HTML: <p style="color:#376FFB">Text here</p> · <div style="background-color:#376FFB">Div content here</div>

Shades of #376FFB

Tints of #376FFB

Tones of #376FFB

Color harmonies

Complementary — #FBC337:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #376FFB: #000000.

How #376FFB 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 #376FFB 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

← #376FFA  ·  #376FFC →

Frequently asked questions

What color is #376FFB?

#376FFB is Vivid Blue, a blue color (RGB 55, 111, 251). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #376FFB?

#376FFB is RGB 55, 111, 251 — HSL 223°, 96%, 60% — CMYK 78%, 56%, 0%, 2%.

What colors go with #376FFB?

Its complement is #FBC337; analogous partners are #37D0FB and #6237FB. It also appears in 6+ palettes in our collection.

Can I use #376FFB for text?

Black text on #376FFB has a contrast ratio of 4.83:1 (passes WCAG AA); white text gives 4.35:1.