Palettes / Colors / #43BBEF

#43BBEF — Vivid Blue

#43BBEF 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 #43BBEF 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.

#43BBEF 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 #EF7743; it also sits naturally between #43EFCC and #4366EF. 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 26% · Green 73% · Blue 94%

Cyan 72% · Magenta 22% · Yellow 0% · Key 6%

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

Previews

CSS code for #43BBEF

.text { color: #43BBEF; }
.background { background-color: #43BBEF; }
.border { border: 3px solid #43BBEF; }
.text-rgb { color: rgb(67, 187, 239); }
.text-hsl { color: hsl(198, 84%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #43BBEF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(67, 187, 239, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #43BBEF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(67, 187, 239, 0.8); }

HTML: <p style="color:#43BBEF">Text here</p> · <div style="background-color:#43BBEF">Div content here</div>

Shades of #43BBEF

Tints of #43BBEF

Tones of #43BBEF

Color harmonies

Complementary — #EF7743:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #43BBEF: #000000.

Semi-transparent (opacity) text on #43BBEF

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 #43BBEF 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 #43BBEF 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

← #43BBEE  ·  #43BBF0 →

Frequently asked questions

What color is #43BBEF?

#43BBEF is Vivid Blue, a blue color (RGB 67, 187, 239). Its closest standard named color is MediumTurquoise.

What is the RGB and HSL of #43BBEF?

#43BBEF is RGB 67, 187, 239 — HSL 198°, 84%, 60% — CMYK 72%, 22%, 0%, 6%.

What colors go with #43BBEF?

Its complement is #EF7743; analogous partners are #43EFCC and #4366EF. It also appears in 6+ palettes in our collection.

Can I use #43BBEF for text?

Black text on #43BBEF has a contrast ratio of 9.59:1 (passes WCAG AA); white text gives 2.19:1.