Palettes / Colors / #64BBDD

#64BBDD — Blue

#64BBDD is a blue color we call 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 #64BBDD 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.

#64BBDD 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 #DD8664; it also sits naturally between #64DDC3 and #647EDD. 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 39% · Green 73% · Blue 87%

Cyan 55% · Magenta 15% · Yellow 0% · Key 13%

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

Previews

CSS code for #64BBDD

.text { color: #64BBDD; }
.background { background-color: #64BBDD; }
.border { border: 3px solid #64BBDD; }
.text-rgb { color: rgb(100, 187, 221); }
.text-hsl { color: hsl(197, 64%, 63%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #64BBDD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(100, 187, 221, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #64BBDD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(100, 187, 221, 0.8); }

HTML: <p style="color:#64BBDD">Text here</p> · <div style="background-color:#64BBDD">Div content here</div>

Shades of #64BBDD

Tints of #64BBDD

Tones of #64BBDD

Color harmonies

Complementary — #DD8664:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #64BBDD: #000000.

Semi-transparent (opacity) text on #64BBDD

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 #64BBDD 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 #64BBDD 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

← #64BBDC  ·  #64BBDE →

Frequently asked questions

What color is #64BBDD?

#64BBDD is Blue, a blue color (RGB 100, 187, 221). Its closest standard named color is MediumTurquoise.

What is the RGB and HSL of #64BBDD?

#64BBDD is RGB 100, 187, 221 — HSL 197°, 64%, 63% — CMYK 55%, 15%, 0%, 13%.

What colors go with #64BBDD?

Its complement is #DD8664; analogous partners are #64DDC3 and #647EDD. It also appears in 6+ palettes in our collection.

Can I use #64BBDD for text?

Black text on #64BBDD has a contrast ratio of 9.69:1 (passes WCAG AA); white text gives 2.17:1.