Palettes / Colors / #003DCB

#003DCB — Vivid Blue

#003DCB is a blue color we call Vivid Blue, closest to the named color Blue (#0000FF). It belongs to the blue family.

#003DCB 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 #CC8F00; it also sits naturally between #00A3CC and #2900CC. 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 24% · Blue 80%

Cyan 100% · Magenta 70% · Yellow 0% · Key 20%

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

Previews

CSS code for #003DCB

.text { color: #003DCB; }
.background { background-color: #003DCB; }
.border { border: 3px solid #003DCB; }
.text-rgb { color: rgb(0, 61, 203); }
.text-hsl { color: hsl(222, 100%, 40%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #003DCB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 61, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #003DCB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 61, 203, 0.8); }

HTML: <p style="color:#003DCB">Text here</p> · <div style="background-color:#003DCB">Div content here</div>

Shades of #003DCB

Tints of #003DCB

Tones of #003DCB

Color harmonies

Complementary — #CC8F00:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #003DCB: #FFFFFF.

How #003DCB 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 #003DCB 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

← #003DCA  ·  #003DCC →

Frequently asked questions

What color is #003DCB?

#003DCB is Vivid Blue, a blue color (RGB 0, 61, 203). Its closest standard named color is Blue.

What is the RGB and HSL of #003DCB?

#003DCB is RGB 0, 61, 203 — HSL 222°, 100%, 40% — CMYK 100%, 70%, 0%, 20%.

What colors go with #003DCB?

Its complement is #CC8F00; analogous partners are #00A3CC and #2900CC. It also appears in 6+ palettes in our collection.

Can I use #003DCB for text?

White text on #003DCB has a contrast ratio of 8.30:1 (passes WCAG AA); black text gives 2.53:1.