Palettes / Colors / #05018F

#05018F — Vivid Blue

#05018F is a blue color we call Vivid Blue, closest to the named color DarkBlue (#00008B). It belongs to the blue family.

Color name

Closest CSS keyword: darkblue (#00008B) — not an exact match. CSS darkblue gives you #00008B, a different color; use #05018F 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.

#05018F 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 #898E01; it also sits naturally between #01438E and #4C018E. 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 2% · Green 0% · Blue 56%

Cyan 97% · Magenta 99% · Yellow 0% · Key 44%

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

Previews

CSS code for #05018F

.text { color: #05018F; }
.background { background-color: #05018F; }
.border { border: 3px solid #05018F; }
.text-rgb { color: rgb(5, 1, 143); }
.text-hsl { color: hsl(242, 99%, 28%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #05018F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(5, 1, 143, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #05018F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(5, 1, 143, 0.8); }

HTML: <p style="color:#05018F">Text here</p> · <div style="background-color:#05018F">Div content here</div>

Shades of #05018F

Tints of #05018F

Tones of #05018F

Color harmonies

Complementary — #898E01:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #05018F: #FFFFFF.

Semi-transparent (opacity) text on #05018F

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 #05018F 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 #05018F 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

← #05018E  ·  #050190 →

Frequently asked questions

What color is #05018F?

#05018F is Vivid Blue, a blue color (RGB 5, 1, 143). Its closest standard named color is DarkBlue.

What is the RGB and HSL of #05018F?

#05018F is RGB 5, 1, 143 — HSL 242°, 99%, 28% — CMYK 97%, 99%, 0%, 44%.

What colors go with #05018F?

Its complement is #898E01; analogous partners are #01438E and #4C018E. It also appears in 6+ palettes in our collection.

Can I use #05018F for text?

White text on #05018F has a contrast ratio of 14.92:1 (passes WCAG AA); black text gives 1.41:1.