Palettes / Colors / #57BFEF

#57BFEF — Vivid Blue

#57BFEF 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 #57BFEF 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.

#57BFEF 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 #EF8757; it also sits naturally between #57EFD3 and #5773EF. 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 34% · Green 75% · Blue 94%

Cyan 64% · Magenta 20% · Yellow 0% · Key 6%

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

Previews

CSS code for #57BFEF

.text { color: #57BFEF; }
.background { background-color: #57BFEF; }
.border { border: 3px solid #57BFEF; }
.text-rgb { color: rgb(87, 191, 239); }
.text-hsl { color: hsl(199, 83%, 64%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #57BFEF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(87, 191, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #57BFEF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(87, 191, 239, 0.8); }

HTML: <p style="color:#57BFEF">Text here</p> · <div style="background-color:#57BFEF">Div content here</div>

Shades of #57BFEF

Tints of #57BFEF

Tones of #57BFEF

Color harmonies

Complementary — #EF8757:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #57BFEF: #000000.

Semi-transparent (opacity) text on #57BFEF

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 #57BFEF 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 #57BFEF 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

← #57BFEE  ·  #57BFF0 →

Frequently asked questions

What color is #57BFEF?

#57BFEF is Vivid Blue, a blue color (RGB 87, 191, 239). Its closest standard named color is MediumTurquoise.

What is the RGB and HSL of #57BFEF?

#57BFEF is RGB 87, 191, 239 — HSL 199°, 83%, 64% — CMYK 64%, 20%, 0%, 6%.

What colors go with #57BFEF?

Its complement is #EF8757; analogous partners are #57EFD3 and #5773EF. It also appears in 6+ palettes in our collection.

Can I use #57BFEF for text?

Black text on #57BFEF has a contrast ratio of 10.10:1 (passes WCAG AA); white text gives 2.08:1.