Palettes / Colors / #342FBB

#342FBB — Blue

#342FBB is a blue color we call Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #342FBB 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.

#342FBB 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 #B7BC2F; it also sits naturally between #2F71BC and #7A2FBC. 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 20% · Green 18% · Blue 73%

Cyan 72% · Magenta 75% · Yellow 0% · Key 27%

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

Previews

CSS code for #342FBB

.text { color: #342FBB; }
.background { background-color: #342FBB; }
.border { border: 3px solid #342FBB; }
.text-rgb { color: rgb(52, 47, 187); }
.text-hsl { color: hsl(242, 60%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #342FBB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(52, 47, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #342FBB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(52, 47, 187, 0.8); }

HTML: <p style="color:#342FBB">Text here</p> · <div style="background-color:#342FBB">Div content here</div>

Shades of #342FBB

Tints of #342FBB

Tones of #342FBB

Color harmonies

Complementary — #B7BC2F:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #342FBB: #FFFFFF.

Semi-transparent (opacity) text on #342FBB

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 #342FBB 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 #342FBB 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

← #342FBA  ·  #342FBC →

Frequently asked questions

What color is #342FBB?

#342FBB is Blue, a blue color (RGB 52, 47, 187). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #342FBB?

#342FBB is RGB 52, 47, 187 — HSL 242°, 60%, 46% — CMYK 72%, 75%, 0%, 27%.

What colors go with #342FBB?

Its complement is #B7BC2F; analogous partners are #2F71BC and #7A2FBC. It also appears in 6+ palettes in our collection.

Can I use #342FBB for text?

White text on #342FBB has a contrast ratio of 9.25:1 (passes WCAG AA); black text gives 2.27:1.