Palettes / Colors / #4D91EF

#4D91EF — Vivid Blue

#4D91EF 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 #4D91EF 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.

#4D91EF 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 #EFAC4D; it also sits naturally between #4DE2EF and #5A4DEF. 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 30% · Green 57% · Blue 94%

Cyan 68% · Magenta 39% · Yellow 0% · Key 6%

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

Previews

CSS code for #4D91EF

.text { color: #4D91EF; }
.background { background-color: #4D91EF; }
.border { border: 3px solid #4D91EF; }
.text-rgb { color: rgb(77, 145, 239); }
.text-hsl { color: hsl(215, 84%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4D91EF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(77, 145, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4D91EF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(77, 145, 239, 0.8); }

HTML: <p style="color:#4D91EF">Text here</p> · <div style="background-color:#4D91EF">Div content here</div>

Shades of #4D91EF

Tints of #4D91EF

Tones of #4D91EF

Color harmonies

Complementary — #EFAC4D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #4D91EF: #000000.

Semi-transparent (opacity) text on #4D91EF

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 #4D91EF 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 #4D91EF 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

← #4D91EE  ·  #4D91F0 →

Frequently asked questions

What color is #4D91EF?

#4D91EF is Vivid Blue, a blue color (RGB 77, 145, 239). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #4D91EF?

#4D91EF is RGB 77, 145, 239 — HSL 215°, 84%, 62% — CMYK 68%, 39%, 0%, 6%.

What colors go with #4D91EF?

Its complement is #EFAC4D; analogous partners are #4DE2EF and #5A4DEF. It also appears in 6+ palettes in our collection.

Can I use #4D91EF for text?

Black text on #4D91EF has a contrast ratio of 6.61:1 (passes WCAG AA); white text gives 3.18:1.