Palettes / Colors / #175773

#175773 — Deep Blue

#175773 is a blue color we call Deep Blue, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the blue family.

#175773 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 #733217; it also sits naturally between #177361 and #172973. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 9% · Green 34% · Blue 45%

Cyan 80% · Magenta 24% · Yellow 0% · Key 55%

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

Previews

CSS code for #175773

.text { color: #175773; }
.background { background-color: #175773; }
.border { border: 3px solid #175773; }
.text-rgb { color: rgb(23, 87, 115); }
.text-hsl { color: hsl(198, 67%, 27%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #175773; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(23, 87, 115, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #175773; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(23, 87, 115, 0.8); }

HTML: <p style="color:#175773">Text here</p> · <div style="background-color:#175773">Div content here</div>

Shades of #175773

Tints of #175773

Tones of #175773

Color harmonies

Complementary — #733217:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #175773: #FFFFFF.

How #175773 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 #175773 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

← #175772  ·  #175774 →

Frequently asked questions

What color is #175773?

#175773 is Deep Blue, a blue color (RGB 23, 87, 115). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #175773?

#175773 is RGB 23, 87, 115 — HSL 198°, 67%, 27% — CMYK 80%, 24%, 0%, 55%.

What colors go with #175773?

Its complement is #733217; analogous partners are #177361 and #172973. It also appears in 6+ palettes in our collection.

Can I use #175773 for text?

White text on #175773 has a contrast ratio of 7.93:1 (passes WCAG AA); black text gives 2.65:1.