Palettes / Colors / #4ECDFF

#4ECDFF — Vivid Blue

#4ECDFF is a blue color we call Vivid Blue, closest to the named color MediumTurquoise (#48D1CC). It belongs to the blue family.

Color name

Closest CSS keyword: mediumturquoise (#48D1CC) — not an exact match. CSS mediumturquoise gives you #48D1CC, a different color; use #4ECDFF 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.

#4ECDFF 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 #FF7F4D; it also sits naturally between #4DFFD8 and #4D73FF. 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 80% · Blue 100%

Cyan 69% · Magenta 20% · Yellow 0% · Key 0%

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

Previews

CSS code for #4ECDFF

.text { color: #4ECDFF; }
.background { background-color: #4ECDFF; }
.border { border: 3px solid #4ECDFF; }
.text-rgb { color: rgb(78, 205, 255); }
.text-hsl { color: hsl(197, 100%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #4ECDFF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(78, 205, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #4ECDFF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(78, 205, 255, 0.8); }

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

Shades of #4ECDFF

Tints of #4ECDFF

Tones of #4ECDFF

Color harmonies

Complementary — #FF7F4D:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #4ECDFF: #000000.

Semi-transparent (opacity) text on #4ECDFF

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 #4ECDFF 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 #4ECDFF 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

← #4ECDFE  ·  #4ECE00 →

Frequently asked questions

What color is #4ECDFF?

#4ECDFF is Vivid Blue, a blue color (RGB 78, 205, 255). Its closest standard named color is MediumTurquoise.

What is the RGB and HSL of #4ECDFF?

#4ECDFF is RGB 78, 205, 255 — HSL 197°, 100%, 65% — CMYK 69%, 20%, 0%, 0%.

What colors go with #4ECDFF?

Its complement is #FF7F4D; analogous partners are #4DFFD8 and #4D73FF. It also appears in 6+ palettes in our collection.

Can I use #4ECDFF for text?

Black text on #4ECDFF has a contrast ratio of 11.50:1 (passes WCAG AA); white text gives 1.83:1.