Palettes / Colors / #556EFB

#556EFB — Light Vivid Blue

#556EFB is a blue color we call Light Vivid 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 #556EFB 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.

#556EFB 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 #FBE256; it also sits naturally between #56C1FB and #9056FB. 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 33% · Green 43% · Blue 98%

Cyan 66% · Magenta 56% · Yellow 0% · Key 2%

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

Previews

CSS code for #556EFB

.text { color: #556EFB; }
.background { background-color: #556EFB; }
.border { border: 3px solid #556EFB; }
.text-rgb { color: rgb(85, 110, 251); }
.text-hsl { color: hsl(231, 95%, 66%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #556EFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(85, 110, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #556EFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(85, 110, 251, 0.8); }

HTML: <p style="color:#556EFB">Text here</p> · <div style="background-color:#556EFB">Div content here</div>

Shades of #556EFB

Tints of #556EFB

Tones of #556EFB

Color harmonies

Complementary — #FBE256:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #556EFB: #000000.

Semi-transparent (opacity) text on #556EFB

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 #556EFB 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 #556EFB 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

← #556EFA  ·  #556EFC →

Frequently asked questions

What color is #556EFB?

#556EFB is Light Vivid Blue, a blue color (RGB 85, 110, 251). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #556EFB?

#556EFB is RGB 85, 110, 251 — HSL 231°, 95%, 66% — CMYK 66%, 56%, 0%, 2%.

What colors go with #556EFB?

Its complement is #FBE256; analogous partners are #56C1FB and #9056FB. It also appears in 6+ palettes in our collection.

Can I use #556EFB for text?

Black text on #556EFB has a contrast ratio of 5.01:1 (passes WCAG AA); white text gives 4.19:1.