Palettes / Colors / #445A8B

#445A8B — Muted Blue

#445A8B 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 #445A8B 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.

#445A8B 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 #8C7645; it also sits naturally between #457F8C and #52458C. 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 27% · Green 35% · Blue 55%

Cyan 51% · Magenta 35% · Yellow 0% · Key 45%

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

Previews

CSS code for #445A8B

.text { color: #445A8B; }
.background { background-color: #445A8B; }
.border { border: 3px solid #445A8B; }
.text-rgb { color: rgb(68, 90, 139); }
.text-hsl { color: hsl(221, 34%, 41%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #445A8B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(68, 90, 139, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #445A8B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(68, 90, 139, 0.8); }

HTML: <p style="color:#445A8B">Text here</p> · <div style="background-color:#445A8B">Div content here</div>

Shades of #445A8B

Tints of #445A8B

Tones of #445A8B

Color harmonies

Complementary — #8C7645:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #445A8B: #FFFFFF.

Semi-transparent (opacity) text on #445A8B

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 #445A8B 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 #445A8B 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

← #445A8A  ·  #445A8C →

Frequently asked questions

What color is #445A8B?

#445A8B is Muted Blue, a blue color (RGB 68, 90, 139). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #445A8B?

#445A8B is RGB 68, 90, 139 — HSL 221°, 34%, 41% — CMYK 51%, 35%, 0%, 45%.

What colors go with #445A8B?

Its complement is #8C7645; analogous partners are #457F8C and #52458C. It also appears in 6+ palettes in our collection.

Can I use #445A8B for text?

White text on #445A8B has a contrast ratio of 6.82:1 (passes WCAG AA); black text gives 3.08:1.