Palettes / Colors / #6166FF

#6166FF — Light Vivid Blue

#6166FF 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 #6166FF 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.

#6166FF 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 #FFFA61; it also sits naturally between #61B5FF and #AB61FF. 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 100%

Cyan 62% · Magenta 60% · Yellow 0% · Key 0%

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

Previews

CSS code for #6166FF

.text { color: #6166FF; }
.background { background-color: #6166FF; }
.border { border: 3px solid #6166FF; }
.text-rgb { color: rgb(97, 102, 255); }
.text-hsl { color: hsl(238, 100%, 69%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #6166FF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(97, 102, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #6166FF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(97, 102, 255, 0.8); }

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

Shades of #6166FF

Tints of #6166FF

Tones of #6166FF

Color harmonies

Complementary — #FFFA61:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #6166FF: #000000.

Semi-transparent (opacity) text on #6166FF

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 #6166FF 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 #6166FF 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

← #6166FE  ·  #616700 →

Frequently asked questions

What color is #6166FF?

#6166FF is Light Vivid Blue, a blue color (RGB 97, 102, 255). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #6166FF?

#6166FF is RGB 97, 102, 255 — HSL 238°, 100%, 69% — CMYK 62%, 60%, 0%, 0%.

What colors go with #6166FF?

Its complement is #FFFA61; analogous partners are #61B5FF and #AB61FF. It also appears in 6+ palettes in our collection.

Can I use #6166FF for text?

Black text on #6166FF has a contrast ratio of 4.85:1 (passes WCAG AA); white text gives 4.33:1.