Palettes / Colors / #3170AA

#3170AA — Blue

#3170AA is a blue color we call Blue, closest to the named color SteelBlue (#4682B4). It belongs to the blue family.

Color name

Closest CSS keyword: steelblue (#4682B4) — not an exact match. CSS steelblue gives you #4682B4, a different color; use #3170AA 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.

#3170AA is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #AA6C31; it also sits naturally between #31AAA8 and #3133AA. 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 19% · Green 44% · Blue 67%

Cyan 71% · Magenta 34% · Yellow 0% · Key 33%

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

Previews

CSS code for #3170AA

.text { color: #3170AA; }
.background { background-color: #3170AA; }
.border { border: 3px solid #3170AA; }
.text-rgb { color: rgb(49, 112, 170); }
.text-hsl { color: hsl(209, 55%, 43%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3170AA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(49, 112, 170, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3170AA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(49, 112, 170, 0.8); }

HTML: <p style="color:#3170AA">Text here</p> · <div style="background-color:#3170AA">Div content here</div>

Shades of #3170AA

Tints of #3170AA

Tones of #3170AA

Color harmonies

Complementary — #AA6C31:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3170AA: #FFFFFF.

Semi-transparent (opacity) text on #3170AA

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 #3170AA 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 #3170AA 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

← #3170A9  ·  #3170AB →

Frequently asked questions

What color is #3170AA?

#3170AA is Blue, a blue color (RGB 49, 112, 170). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #3170AA?

#3170AA is RGB 49, 112, 170 — HSL 209°, 55%, 43% — CMYK 71%, 34%, 0%, 33%.

What colors go with #3170AA?

Its complement is #AA6C31; analogous partners are #31AAA8 and #3133AA. It also appears in 6+ palettes in our collection.

Can I use #3170AA for text?

White text on #3170AA has a contrast ratio of 5.21:1 (passes WCAG AA); black text gives 4.03:1.