Palettes / Colors / #015BBC

#015BBC — Vivid Blue

#015BBC is a blue color we call Vivid Blue, closest to the named color DarkCyan (#008B8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkcyan (#008B8B) — not an exact match. CSS darkcyan gives you #008B8B, a different color; use #015BBC 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.

#015BBC 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 #BC6101; it also sits naturally between #01B9BC and #0401BC. 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 0% · Green 36% · Blue 74%

Cyan 99% · Magenta 52% · Yellow 0% · Key 26%

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

Previews

CSS code for #015BBC

.text { color: #015BBC; }
.background { background-color: #015BBC; }
.border { border: 3px solid #015BBC; }
.text-rgb { color: rgb(1, 91, 188); }
.text-hsl { color: hsl(211, 99%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #015BBC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(1, 91, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #015BBC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(1, 91, 188, 0.8); }

HTML: <p style="color:#015BBC">Text here</p> · <div style="background-color:#015BBC">Div content here</div>

Shades of #015BBC

Tints of #015BBC

Tones of #015BBC

Color harmonies

Complementary — #BC6101:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #015BBC: #FFFFFF.

Semi-transparent (opacity) text on #015BBC

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 #015BBC 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 #015BBC 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

← #015BBB  ·  #015BBD →

Frequently asked questions

What color is #015BBC?

#015BBC is Vivid Blue, a blue color (RGB 1, 91, 188). Its closest standard named color is DarkCyan.

What is the RGB and HSL of #015BBC?

#015BBC is RGB 1, 91, 188 — HSL 211°, 99%, 37% — CMYK 99%, 52%, 0%, 26%.

What colors go with #015BBC?

Its complement is #BC6101; analogous partners are #01B9BC and #0401BC. It also appears in 6+ palettes in our collection.

Can I use #015BBC for text?

White text on #015BBC has a contrast ratio of 6.51:1 (passes WCAG AA); black text gives 3.22:1.