Palettes / Colors / #6166FB

#6166FB — Light Vivid Blue

#6166FB 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 #6166FB 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.

#6166FB 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 #FBF660; it also sits naturally between #60B3FB and #A860FB. 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 38% · Green 40% · Blue 98%

Cyan 61% · Magenta 59% · Yellow 0% · Key 2%

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

Previews

CSS code for #6166FB

.text { color: #6166FB; }
.background { background-color: #6166FB; }
.border { border: 3px solid #6166FB; }
.text-rgb { color: rgb(97, 102, 251); }
.text-hsl { color: hsl(238, 95%, 68%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #6166FB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(97, 102, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #6166FB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(97, 102, 251, 0.8); }

HTML: <p style="color:#6166FB">Text here</p> · <div style="background-color:#6166FB">Div content here</div>

Shades of #6166FB

Tints of #6166FB

Tones of #6166FB

Color harmonies

Complementary — #FBF660:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #6166FB: #000000.

Semi-transparent (opacity) text on #6166FB

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 #6166FB 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 #6166FB 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

← #6166FA  ·  #6166FC →

Frequently asked questions

What color is #6166FB?

#6166FB is Light Vivid Blue, a blue color (RGB 97, 102, 251). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #6166FB?

#6166FB is RGB 97, 102, 251 — HSL 238°, 95%, 68% — CMYK 61%, 59%, 0%, 2%.

What colors go with #6166FB?

Its complement is #FBF660; analogous partners are #60B3FB and #A860FB. It also appears in 6+ palettes in our collection.

Can I use #6166FB for text?

Black text on #6166FB has a contrast ratio of 4.80:1 (passes WCAG AA); white text gives 4.37:1.