Palettes / Colors / #18BBFD

#18BBFD — Vivid Blue

#18BBFD is a blue color we call Vivid Blue, closest to the named color DeepSkyBlue (#00BFFF). It belongs to the blue family.

Color name

Closest CSS keyword: deepskyblue (#00BFFF) — not an exact match. CSS deepskyblue gives you #00BFFF, a different color; use #18BBFD 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.

#18BBFD 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 #FD5817; it also sits naturally between #17FDCB and #1749FD. 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 9% · Green 73% · Blue 99%

Cyan 91% · Magenta 26% · Yellow 0% · Key 1%

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

Previews

CSS code for #18BBFD

.text { color: #18BBFD; }
.background { background-color: #18BBFD; }
.border { border: 3px solid #18BBFD; }
.text-rgb { color: rgb(24, 187, 253); }
.text-hsl { color: hsl(197, 98%, 54%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #18BBFD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(24, 187, 253, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #18BBFD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(24, 187, 253, 0.8); }

HTML: <p style="color:#18BBFD">Text here</p> · <div style="background-color:#18BBFD">Div content here</div>

Shades of #18BBFD

Tints of #18BBFD

Tones of #18BBFD

Color harmonies

Complementary — #FD5817:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #18BBFD: #000000.

Semi-transparent (opacity) text on #18BBFD

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 #18BBFD 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 #18BBFD 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

← #18BBFC  ·  #18BBFE →

Frequently asked questions

What color is #18BBFD?

#18BBFD is Vivid Blue, a blue color (RGB 24, 187, 253). Its closest standard named color is DeepSkyBlue.

What is the RGB and HSL of #18BBFD?

#18BBFD is RGB 24, 187, 253 — HSL 197°, 98%, 54% — CMYK 91%, 26%, 0%, 1%.

What colors go with #18BBFD?

Its complement is #FD5817; analogous partners are #17FDCB and #1749FD. It also appears in 6+ palettes in our collection.

Can I use #18BBFD for text?

Black text on #18BBFD has a contrast ratio of 9.57:1 (passes WCAG AA); white text gives 2.20:1.