Palettes / Colors / #397FBE

#397FBE — Muted Blue

#397FBE is a blue color we call Muted Blue, closest to the named color SteelBlue (#4682B4). It belongs to the blue family.

Color name

Closest CSS keyword: steelblue (#4682B4) — not an exact match. CSS steelblue gives you #4682B4, a different color; use #397FBE 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.

#397FBE 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 #BC7638; it also sits naturally between #38BCB8 and #383DBC. 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 22% · Green 50% · Blue 75%

Cyan 70% · Magenta 33% · Yellow 0% · Key 25%

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

Previews

CSS code for #397FBE

.text { color: #397FBE; }
.background { background-color: #397FBE; }
.border { border: 3px solid #397FBE; }
.text-rgb { color: rgb(57, 127, 190); }
.text-hsl { color: hsl(208, 54%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #397FBE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(57, 127, 190, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #397FBE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(57, 127, 190, 0.8); }

HTML: <p style="color:#397FBE">Text here</p> · <div style="background-color:#397FBE">Div content here</div>

Shades of #397FBE

Tints of #397FBE

Tones of #397FBE

Color harmonies

Complementary — #BC7638:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #397FBE: #000000.

Semi-transparent (opacity) text on #397FBE

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 #397FBE 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 #397FBE 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

← #397FBD  ·  #397FBF →

Frequently asked questions

What color is #397FBE?

#397FBE is Muted Blue, a blue color (RGB 57, 127, 190). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #397FBE?

#397FBE is RGB 57, 127, 190 — HSL 208°, 54%, 48% — CMYK 70%, 33%, 0%, 25%.

What colors go with #397FBE?

Its complement is #BC7638; analogous partners are #38BCB8 and #383DBC. It also appears in 6+ palettes in our collection.

Can I use #397FBE for text?

Black text on #397FBE has a contrast ratio of 4.95:1 (passes WCAG AA); white text gives 4.24:1.