Palettes / Colors / #175AA4

#175AA4 — Blue

#175AA4 is a blue color we call Blue, closest to the named color Teal (#008080). It belongs to the blue family.

Color name

Closest CSS keyword: teal (#008080) — not an exact match. CSS teal gives you #008080, a different color; use #175AA4 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.

#175AA4 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 #A56118; it also sits naturally between #18A3A5 and #1A18A5. 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 35% · Blue 64%

Cyan 86% · Magenta 45% · Yellow 0% · Key 36%

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

Previews

CSS code for #175AA4

.text { color: #175AA4; }
.background { background-color: #175AA4; }
.border { border: 3px solid #175AA4; }
.text-rgb { color: rgb(23, 90, 164); }
.text-hsl { color: hsl(211, 75%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #175AA4; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(23, 90, 164, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #175AA4; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(23, 90, 164, 0.8); }

HTML: <p style="color:#175AA4">Text here</p> · <div style="background-color:#175AA4">Div content here</div>

Shades of #175AA4

Tints of #175AA4

Tones of #175AA4

Color harmonies

Complementary — #A56118:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #175AA4: #FFFFFF.

Semi-transparent (opacity) text on #175AA4

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 #175AA4 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 #175AA4 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

← #175AA3  ·  #175AA5 →

Frequently asked questions

What color is #175AA4?

#175AA4 is Blue, a blue color (RGB 23, 90, 164). Its closest standard named color is Teal.

What is the RGB and HSL of #175AA4?

#175AA4 is RGB 23, 90, 164 — HSL 211°, 75%, 37% — CMYK 86%, 45%, 0%, 36%.

What colors go with #175AA4?

Its complement is #A56118; analogous partners are #18A3A5 and #1A18A5. It also appears in 6+ palettes in our collection.

Can I use #175AA4 for text?

White text on #175AA4 has a contrast ratio of 6.92:1 (passes WCAG AA); black text gives 3.03:1.