Palettes / Colors / #4E45F9

#4E45F9 — Vivid Blue

#4E45F9 is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #4E45F9 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.

#4E45F9 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 #F0F943; it also sits naturally between #4395F9 and #A743F9. 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 31% · Green 27% · Blue 98%

Cyan 69% · Magenta 72% · Yellow 0% · Key 2%

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

Previews

CSS code for #4E45F9

.text { color: #4E45F9; }
.background { background-color: #4E45F9; }
.border { border: 3px solid #4E45F9; }
.text-rgb { color: rgb(78, 69, 249); }
.text-hsl { color: hsl(243, 94%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4E45F9; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(78, 69, 249, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4E45F9; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(78, 69, 249, 0.8); }

HTML: <p style="color:#4E45F9">Text here</p> · <div style="background-color:#4E45F9">Div content here</div>

Shades of #4E45F9

Tints of #4E45F9

Tones of #4E45F9

Color harmonies

Complementary — #F0F943:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #4E45F9: #FFFFFF.

Semi-transparent (opacity) text on #4E45F9

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 #4E45F9 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 #4E45F9 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

← #4E45F8  ·  #4E45FA →

Frequently asked questions

What color is #4E45F9?

#4E45F9 is Vivid Blue, a blue color (RGB 78, 69, 249). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #4E45F9?

#4E45F9 is RGB 78, 69, 249 — HSL 243°, 94%, 62% — CMYK 69%, 72%, 0%, 2%.

What colors go with #4E45F9?

Its complement is #F0F943; analogous partners are #4395F9 and #A743F9. It also appears in 6+ palettes in our collection.

Can I use #4E45F9 for text?

White text on #4E45F9 has a contrast ratio of 5.93:1 (passes WCAG AA); black text gives 3.54:1.