Palettes / Colors / #42CDFF

#42CDFF — Vivid Blue

#42CDFF is a blue color we call Vivid Blue, closest to the named color Turquoise (#40E0D0). It belongs to the blue family.

Color name

Closest CSS keyword: turquoise (#40E0D0) — not an exact match. CSS turquoise gives you #40E0D0, a different color; use #42CDFF 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.

#42CDFF 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 #FF7542; it also sits naturally between #42FFD3 and #426EFF. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 26% · Green 80% · Blue 100%

Cyan 74% · Magenta 20% · Yellow 0% · Key 0%

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

Previews

CSS code for #42CDFF

.text { color: #42CDFF; }
.background { background-color: #42CDFF; }
.border { border: 3px solid #42CDFF; }
.text-rgb { color: rgb(66, 205, 255); }
.text-hsl { color: hsl(196, 100%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #42CDFF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(66, 205, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #42CDFF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(66, 205, 255, 0.8); }

HTML: <p style="color:#42CDFF">Text here</p> · <div style="background-color:#42CDFF">Div content here</div>

Shades of #42CDFF

Tints of #42CDFF

Tones of #42CDFF

Color harmonies

Complementary — #FF7542:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #42CDFF: #000000.

Semi-transparent (opacity) text on #42CDFF

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 #42CDFF 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 #42CDFF 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

← #42CDFE  ·  #42CE00 →

Frequently asked questions

What color is #42CDFF?

#42CDFF is Vivid Blue, a blue color (RGB 66, 205, 255). Its closest standard named color is Turquoise.

What is the RGB and HSL of #42CDFF?

#42CDFF is RGB 66, 205, 255 — HSL 196°, 100%, 63% — CMYK 74%, 20%, 0%, 0%.

What colors go with #42CDFF?

Its complement is #FF7542; analogous partners are #42FFD3 and #426EFF. It also appears in 6+ palettes in our collection.

Can I use #42CDFF for text?

Black text on #42CDFF has a contrast ratio of 11.41:1 (passes WCAG AA); white text gives 1.84:1.