Palettes / Colors / #247FBB

#247FBB — Blue

#247FBB is a blue color we call 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 #247FBB 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.

#247FBB is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.

Its strongest partner is its complement #BC6124; it also sits naturally between #24BCAD and #2433BC. 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 14% · Green 50% · Blue 73%

Cyan 81% · Magenta 32% · Yellow 0% · Key 27%

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

Previews

CSS code for #247FBB

.text { color: #247FBB; }
.background { background-color: #247FBB; }
.border { border: 3px solid #247FBB; }
.text-rgb { color: rgb(36, 127, 187); }
.text-hsl { color: hsl(204, 68%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #247FBB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(36, 127, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #247FBB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(36, 127, 187, 0.8); }

HTML: <p style="color:#247FBB">Text here</p> · <div style="background-color:#247FBB">Div content here</div>

Shades of #247FBB

Tints of #247FBB

Tones of #247FBB

Color harmonies

Complementary — #BC6124:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #247FBB: #000000.

Semi-transparent (opacity) text on #247FBB

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 #247FBB 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 #247FBB 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

← #247FBA  ·  #247FBC →

Frequently asked questions

What color is #247FBB?

#247FBB is Blue, a blue color (RGB 36, 127, 187). Its closest standard named color is SteelBlue.

What is the RGB and HSL of #247FBB?

#247FBB is RGB 36, 127, 187 — HSL 204°, 68%, 44% — CMYK 81%, 32%, 0%, 27%.

What colors go with #247FBB?

Its complement is #BC6124; analogous partners are #24BCAD and #2433BC. It also appears in 6+ palettes in our collection.

Can I use #247FBB for text?

Black text on #247FBB has a contrast ratio of 4.83:1 (passes WCAG AA); white text gives 4.35:1.