Palettes / Colors / #034373

#034373 — Deep Vivid Blue

#034373 is a blue color we call Deep Vivid Blue, closest to the named color MidnightBlue (#191970). It belongs to the blue family.

Color name

Closest CSS keyword: midnightblue (#191970) — not an exact match. CSS midnightblue gives you #191970, a different color; use #034373 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.

#034373 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 #723303; it also sits naturally between #03726B and #030A72. 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 1% · Green 26% · Blue 45%

Cyan 97% · Magenta 42% · Yellow 0% · Key 55%

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

Previews

CSS code for #034373

.text { color: #034373; }
.background { background-color: #034373; }
.border { border: 3px solid #034373; }
.text-rgb { color: rgb(3, 67, 115); }
.text-hsl { color: hsl(206, 95%, 23%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #034373; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 67, 115, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #034373; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 67, 115, 0.8); }

HTML: <p style="color:#034373">Text here</p> · <div style="background-color:#034373">Div content here</div>

Shades of #034373

Tints of #034373

Tones of #034373

Color harmonies

Complementary — #723303:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #034373: #FFFFFF.

Semi-transparent (opacity) text on #034373

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 #034373 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 #034373 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

← #034372  ·  #034374 →

Frequently asked questions

What color is #034373?

#034373 is Deep Vivid Blue, a blue color (RGB 3, 67, 115). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #034373?

#034373 is RGB 3, 67, 115 — HSL 206°, 95%, 23% — CMYK 97%, 42%, 0%, 55%.

What colors go with #034373?

Its complement is #723303; analogous partners are #03726B and #030A72. It also appears in 6+ palettes in our collection.

Can I use #034373 for text?

White text on #034373 has a contrast ratio of 10.22:1 (passes WCAG AA); black text gives 2.05:1.