Palettes / Colors / #280CDF

#280CDF — Vivid Blue

#280CDF is a blue color we call Vivid Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.

Color name

Closest CSS keyword: blue (#0000FF) — not an exact match. CSS blue gives you #0000FF, a different color; use #280CDF 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.

#280CDF 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 #C3DF0C; it also sits naturally between #0C59DF and #910CDF. 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 16% · Green 5% · Blue 87%

Cyan 82% · Magenta 95% · Yellow 0% · Key 13%

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

Previews

CSS code for #280CDF

.text { color: #280CDF; }
.background { background-color: #280CDF; }
.border { border: 3px solid #280CDF; }
.text-rgb { color: rgb(40, 12, 223); }
.text-hsl { color: hsl(248, 90%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #280CDF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(40, 12, 223, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #280CDF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(40, 12, 223, 0.8); }

HTML: <p style="color:#280CDF">Text here</p> · <div style="background-color:#280CDF">Div content here</div>

Shades of #280CDF

Tints of #280CDF

Tones of #280CDF

Color harmonies

Complementary — #C3DF0C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #280CDF: #FFFFFF.

Semi-transparent (opacity) text on #280CDF

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 #280CDF 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 #280CDF 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

← #280CDE  ·  #280CE0 →

Frequently asked questions

What color is #280CDF?

#280CDF is Vivid Blue, a blue color (RGB 40, 12, 223). Its closest standard named color is Blue.

What is the RGB and HSL of #280CDF?

#280CDF is RGB 40, 12, 223 — HSL 248°, 90%, 46% — CMYK 82%, 95%, 0%, 13%.

What colors go with #280CDF?

Its complement is #C3DF0C; analogous partners are #0C59DF and #910CDF. It also appears in 6+ palettes in our collection.

Can I use #280CDF for text?

White text on #280CDF has a contrast ratio of 9.51:1 (passes WCAG AA); black text gives 2.21:1.