Palettes / Colors / #015FCB

#015FCB — Vivid Blue

#015FCB is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #015FCB 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.

#015FCB 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 #CB6D01; it also sits naturally between #01C4CB and #0801CB. 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 0% · Green 37% · Blue 80%

Cyan 100% · Magenta 53% · Yellow 0% · Key 20%

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

Previews

CSS code for #015FCB

.text { color: #015FCB; }
.background { background-color: #015FCB; }
.border { border: 3px solid #015FCB; }
.text-rgb { color: rgb(1, 95, 203); }
.text-hsl { color: hsl(212, 99%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #015FCB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(1, 95, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #015FCB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(1, 95, 203, 0.8); }

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

Shades of #015FCB

Tints of #015FCB

Tones of #015FCB

Color harmonies

Complementary — #CB6D01:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #015FCB: #FFFFFF.

Semi-transparent (opacity) text on #015FCB

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 #015FCB 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 #015FCB 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

← #015FCA  ·  #015FCC →

Frequently asked questions

What color is #015FCB?

#015FCB is Vivid Blue, a blue color (RGB 1, 95, 203). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #015FCB?

#015FCB is RGB 1, 95, 203 — HSL 212°, 99%, 40% — CMYK 100%, 53%, 0%, 20%.

What colors go with #015FCB?

Its complement is #CB6D01; analogous partners are #01C4CB and #0801CB. It also appears in 6+ palettes in our collection.

Can I use #015FCB for text?

White text on #015FCB has a contrast ratio of 6.00:1 (passes WCAG AA); black text gives 3.50:1.