Palettes / Colors / #39B8EB

#39B8EB — Vivid Blue

#39B8EB 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 #39B8EB 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.

#39B8EB 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 #EB6A37; it also sits naturally between #37EBC4 and #375EEB. 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 22% · Green 72% · Blue 92%

Cyan 76% · Magenta 22% · Yellow 0% · Key 8%

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

Previews

CSS code for #39B8EB

.text { color: #39B8EB; }
.background { background-color: #39B8EB; }
.border { border: 3px solid #39B8EB; }
.text-rgb { color: rgb(57, 184, 235); }
.text-hsl { color: hsl(197, 82%, 57%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #39B8EB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(57, 184, 235, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #39B8EB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(57, 184, 235, 0.8); }

HTML: <p style="color:#39B8EB">Text here</p> · <div style="background-color:#39B8EB">Div content here</div>

Shades of #39B8EB

Tints of #39B8EB

Tones of #39B8EB

Color harmonies

Complementary — #EB6A37:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #39B8EB: #000000.

Semi-transparent (opacity) text on #39B8EB

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 #39B8EB 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 #39B8EB 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

← #39B8EA  ·  #39B8EC →

Frequently asked questions

What color is #39B8EB?

#39B8EB is Vivid Blue, a blue color (RGB 57, 184, 235). Its closest standard named color is MediumTurquoise.

What is the RGB and HSL of #39B8EB?

#39B8EB is RGB 57, 184, 235 — HSL 197°, 82%, 57% — CMYK 76%, 22%, 0%, 8%.

What colors go with #39B8EB?

Its complement is #EB6A37; analogous partners are #37EBC4 and #375EEB. It also appears in 6+ palettes in our collection.

Can I use #39B8EB for text?

Black text on #39B8EB has a contrast ratio of 9.23:1 (passes WCAG AA); white text gives 2.28:1.