Palettes / Colors / #8166DB

#8166DB — Blue

#8166DB is a blue color we call Blue, closest to the named color SlateBlue (#6A5ACD). It belongs to the blue family.

Color name

Closest CSS keyword: slateblue (#6A5ACD) — not an exact match. CSS slateblue gives you #6A5ACD, a different color; use #8166DB 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.

#8166DB 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 #C0DB66; it also sits naturally between #6685DB and #BC66DB. 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 51% · Green 40% · Blue 86%

Cyan 41% · Magenta 53% · Yellow 0% · Key 14%

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

Previews

CSS code for #8166DB

.text { color: #8166DB; }
.background { background-color: #8166DB; }
.border { border: 3px solid #8166DB; }
.text-rgb { color: rgb(129, 102, 219); }
.text-hsl { color: hsl(254, 62%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #8166DB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(129, 102, 219, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #8166DB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(129, 102, 219, 0.8); }

HTML: <p style="color:#8166DB">Text here</p> · <div style="background-color:#8166DB">Div content here</div>

Shades of #8166DB

Tints of #8166DB

Tones of #8166DB

Color harmonies

Complementary — #C0DB66:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #8166DB: #000000.

Semi-transparent (opacity) text on #8166DB

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 #8166DB 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 #8166DB 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

← #8166DA  ·  #8166DC →

Frequently asked questions

What color is #8166DB?

#8166DB is Blue, a blue color (RGB 129, 102, 219). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #8166DB?

#8166DB is RGB 129, 102, 219 — HSL 254°, 62%, 63% — CMYK 41%, 53%, 0%, 14%.

What colors go with #8166DB?

Its complement is #C0DB66; analogous partners are #6685DB and #BC66DB. It also appears in 6+ palettes in our collection.

Can I use #8166DB for text?

Black text on #8166DB has a contrast ratio of 4.86:1 (passes WCAG AA); white text gives 4.32:1.