Palettes / Colors / #170F8A

#170F8A — Vivid Blue

#170F8A is a blue color we call Vivid Blue, closest to the named color DarkBlue (#00008B). It belongs to the blue family.

#170F8A 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 #828A0F; it also sits naturally between #0F448A and #550F8A. 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 9% · Green 6% · Blue 54%

Cyan 83% · Magenta 89% · Yellow 0% · Key 46%

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

Previews

CSS code for #170F8A

.text { color: #170F8A; }
.background { background-color: #170F8A; }
.border { border: 3px solid #170F8A; }
.text-rgb { color: rgb(23, 15, 138); }
.text-hsl { color: hsl(244, 80%, 30%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #170F8A; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(23, 15, 138, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #170F8A; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(23, 15, 138, 0.8); }

HTML: <p style="color:#170F8A">Text here</p> · <div style="background-color:#170F8A">Div content here</div>

Shades of #170F8A

Tints of #170F8A

Tones of #170F8A

Color harmonies

Complementary — #828A0F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #170F8A: #FFFFFF.

How #170F8A 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 #170F8A 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

← #170F89  ·  #170F8B →

Frequently asked questions

What color is #170F8A?

#170F8A is Vivid Blue, a blue color (RGB 23, 15, 138). Its closest standard named color is DarkBlue.

What is the RGB and HSL of #170F8A?

#170F8A is RGB 23, 15, 138 — HSL 244°, 80%, 30% — CMYK 83%, 89%, 0%, 46%.

What colors go with #170F8A?

Its complement is #828A0F; analogous partners are #0F448A and #550F8A. It also appears in 6+ palettes in our collection.

Can I use #170F8A for text?

White text on #170F8A has a contrast ratio of 14.27:1 (passes WCAG AA); black text gives 1.47:1.