Palettes / Colors / #12349B

#12349B — Vivid Blue

#12349B is a blue color we call 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 #12349B 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.

#12349B 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 #9B7912; it also sits naturally between #12799B and #34129B. 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 7% · Green 20% · Blue 61%

Cyan 88% · Magenta 66% · Yellow 0% · Key 39%

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

Previews

CSS code for #12349B

.text { color: #12349B; }
.background { background-color: #12349B; }
.border { border: 3px solid #12349B; }
.text-rgb { color: rgb(18, 52, 155); }
.text-hsl { color: hsl(225, 79%, 34%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #12349B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(18, 52, 155, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #12349B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(18, 52, 155, 0.8); }

HTML: <p style="color:#12349B">Text here</p> · <div style="background-color:#12349B">Div content here</div>

Shades of #12349B

Tints of #12349B

Tones of #12349B

Color harmonies

Complementary — #9B7912:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #12349B: #FFFFFF.

Semi-transparent (opacity) text on #12349B

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 #12349B 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 #12349B 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

← #12349A  ·  #12349C →

Frequently asked questions

What color is #12349B?

#12349B is Vivid Blue, a blue color (RGB 18, 52, 155). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #12349B?

#12349B is RGB 18, 52, 155 — HSL 225°, 79%, 34% — CMYK 88%, 66%, 0%, 39%.

What colors go with #12349B?

Its complement is #9B7912; analogous partners are #12799B and #34129B. It also appears in 6+ palettes in our collection.

Can I use #12349B for text?

White text on #12349B has a contrast ratio of 10.55:1 (passes WCAG AA); black text gives 1.99:1.