Palettes / Colors / #4591FB

#4591FB — Vivid Blue

#4591FB is a blue color we call Vivid Blue, closest to the named color CornflowerBlue (#6495ED). It belongs to the blue family.

Color name

Closest CSS keyword: cornflowerblue (#6495ED) — not an exact match. CSS cornflowerblue gives you #6495ED, a different color; use #4591FB 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.

#4591FB 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 #FBB046; it also sits naturally between #46ECFB and #5546FB. 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 57% · Blue 98%

Cyan 73% · Magenta 42% · Yellow 0% · Key 2%

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

Previews

CSS code for #4591FB

.text { color: #4591FB; }
.background { background-color: #4591FB; }
.border { border: 3px solid #4591FB; }
.text-rgb { color: rgb(69, 145, 251); }
.text-hsl { color: hsl(215, 96%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4591FB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(69, 145, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4591FB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(69, 145, 251, 0.8); }

HTML: <p style="color:#4591FB">Text here</p> · <div style="background-color:#4591FB">Div content here</div>

Shades of #4591FB

Tints of #4591FB

Tones of #4591FB

Color harmonies

Complementary — #FBB046:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #4591FB: #000000.

Semi-transparent (opacity) text on #4591FB

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 #4591FB 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 #4591FB 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

← #4591FA  ·  #4591FC →

Frequently asked questions

What color is #4591FB?

#4591FB is Vivid Blue, a blue color (RGB 69, 145, 251). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #4591FB?

#4591FB is RGB 69, 145, 251 — HSL 215°, 96%, 63% — CMYK 73%, 42%, 0%, 2%.

What colors go with #4591FB?

Its complement is #FBB046; analogous partners are #46ECFB and #5546FB. It also appears in 6+ palettes in our collection.

Can I use #4591FB for text?

Black text on #4591FB has a contrast ratio of 6.70:1 (passes WCAG AA); white text gives 3.14:1.