Palettes / Colors / #3140AF

#3140AF — Blue

#3140AF 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 #3140AF 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.

#3140AF is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #AFA031; it also sits naturally between #317FAF and #6231AF. 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 19% · Green 25% · Blue 69%

Cyan 72% · Magenta 63% · Yellow 0% · Key 31%

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

Previews

CSS code for #3140AF

.text { color: #3140AF; }
.background { background-color: #3140AF; }
.border { border: 3px solid #3140AF; }
.text-rgb { color: rgb(49, 64, 175); }
.text-hsl { color: hsl(233, 56%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3140AF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(49, 64, 175, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3140AF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(49, 64, 175, 0.8); }

HTML: <p style="color:#3140AF">Text here</p> · <div style="background-color:#3140AF">Div content here</div>

Shades of #3140AF

Tints of #3140AF

Tones of #3140AF

Color harmonies

Complementary — #AFA031:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3140AF: #FFFFFF.

Semi-transparent (opacity) text on #3140AF

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 #3140AF 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 #3140AF 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

← #3140AE  ·  #3140B0 →

Frequently asked questions

What color is #3140AF?

#3140AF is Blue, a blue color (RGB 49, 64, 175). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #3140AF?

#3140AF is RGB 49, 64, 175 — HSL 233°, 56%, 44% — CMYK 72%, 63%, 0%, 31%.

What colors go with #3140AF?

Its complement is #AFA031; analogous partners are #317FAF and #6231AF. It also appears in 6+ palettes in our collection.

Can I use #3140AF for text?

White text on #3140AF has a contrast ratio of 8.46:1 (passes WCAG AA); black text gives 2.48:1.