Palettes / Colors / #403281

#403281 — Muted Blue

#403281 is a blue color we call Muted 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 #403281 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.

#403281 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 #728132; it also sits naturally between #324B81 and #683281. 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 25% · Green 20% · Blue 51%

Cyan 50% · Magenta 61% · Yellow 0% · Key 49%

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

Previews

CSS code for #403281

.text { color: #403281; }
.background { background-color: #403281; }
.border { border: 3px solid #403281; }
.text-rgb { color: rgb(64, 50, 129); }
.text-hsl { color: hsl(251, 44%, 35%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #403281; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(64, 50, 129, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #403281; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(64, 50, 129, 0.8); }

HTML: <p style="color:#403281">Text here</p> · <div style="background-color:#403281">Div content here</div>

Shades of #403281

Tints of #403281

Tones of #403281

Color harmonies

Complementary — #728132:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #403281: #FFFFFF.

Semi-transparent (opacity) text on #403281

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 #403281 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 #403281 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

← #403280  ·  #403282 →

Frequently asked questions

What color is #403281?

#403281 is Muted Blue, a blue color (RGB 64, 50, 129). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #403281?

#403281 is RGB 64, 50, 129 — HSL 251°, 44%, 35% — CMYK 50%, 61%, 0%, 49%.

What colors go with #403281?

Its complement is #728132; analogous partners are #324B81 and #683281. It also appears in 6+ palettes in our collection.

Can I use #403281 for text?

White text on #403281 has a contrast ratio of 10.55:1 (passes WCAG AA); black text gives 1.99:1.