Palettes / Colors / #5BBBFB

#5BBBFB — Light Vivid Blue

#5BBBFB is a blue color we call Light Vivid Blue, closest to the named color CornflowerBlue (#6495ED). It belongs to the blue family.

#5BBBFB 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 #FB9B5B; it also sits naturally between #5BFBEB and #5B6BFB. 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 36% · Green 73% · Blue 98%

Cyan 64% · Magenta 25% · Yellow 0% · Key 2%

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

Previews

CSS code for #5BBBFB

.text { color: #5BBBFB; }
.background { background-color: #5BBBFB; }
.border { border: 3px solid #5BBBFB; }
.text-rgb { color: rgb(91, 187, 251); }
.text-hsl { color: hsl(204, 95%, 67%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #5BBBFB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(91, 187, 251, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #5BBBFB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(91, 187, 251, 0.8); }

HTML: <p style="color:#5BBBFB">Text here</p> · <div style="background-color:#5BBBFB">Div content here</div>

Shades of #5BBBFB

Tints of #5BBBFB

Tones of #5BBBFB

Color harmonies

Complementary — #FB9B5B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #5BBBFB: #000000.

How #5BBBFB 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 #5BBBFB 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

← #5BBBFA  ·  #5BBBFC →

Frequently asked questions

What color is #5BBBFB?

#5BBBFB is Light Vivid Blue, a blue color (RGB 91, 187, 251). Its closest standard named color is CornflowerBlue.

What is the RGB and HSL of #5BBBFB?

#5BBBFB is RGB 91, 187, 251 — HSL 204°, 95%, 67% — CMYK 64%, 25%, 0%, 2%.

What colors go with #5BBBFB?

Its complement is #FB9B5B; analogous partners are #5BFBEB and #5B6BFB. It also appears in 6+ palettes in our collection.

Can I use #5BBBFB for text?

Black text on #5BBBFB has a contrast ratio of 9.95:1 (passes WCAG AA); white text gives 2.11:1.