Palettes / Colors / #404591

#404591 — Muted Blue

#404591 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 #404591 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.

#404591 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 #918C40; it also sits naturally between #406E91 and #634091. 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 27% · Blue 57%

Cyan 56% · Magenta 52% · Yellow 0% · Key 43%

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

Previews

CSS code for #404591

.text { color: #404591; }
.background { background-color: #404591; }
.border { border: 3px solid #404591; }
.text-rgb { color: rgb(64, 69, 145); }
.text-hsl { color: hsl(236, 39%, 41%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #404591; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(64, 69, 145, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #404591; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(64, 69, 145, 0.8); }

HTML: <p style="color:#404591">Text here</p> · <div style="background-color:#404591">Div content here</div>

Shades of #404591

Tints of #404591

Tones of #404591

Color harmonies

Complementary — #918C40:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #404591: #FFFFFF.

Semi-transparent (opacity) text on #404591

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 #404591 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 #404591 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

← #404590  ·  #404592 →

Frequently asked questions

What color is #404591?

#404591 is Muted Blue, a blue color (RGB 64, 69, 145). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #404591?

#404591 is RGB 64, 69, 145 — HSL 236°, 39%, 41% — CMYK 56%, 52%, 0%, 43%.

What colors go with #404591?

Its complement is #918C40; analogous partners are #406E91 and #634091. It also appears in 6+ palettes in our collection.

Can I use #404591 for text?

White text on #404591 has a contrast ratio of 8.47:1 (passes WCAG AA); black text gives 2.48:1.