Palettes / Colors / #004BBD

#004BBD — Vivid Blue

#004BBD 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 #004BBD 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.

#004BBD 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 #BD7100; it also sits naturally between #00AABD and #1300BD. 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 29% · Blue 74%

Cyan 100% · Magenta 60% · Yellow 0% · Key 26%

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

Previews

CSS code for #004BBD

.text { color: #004BBD; }
.background { background-color: #004BBD; }
.border { border: 3px solid #004BBD; }
.text-rgb { color: rgb(0, 75, 189); }
.text-hsl { color: hsl(216, 100%, 37%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #004BBD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 75, 189, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #004BBD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 75, 189, 0.8); }

HTML: <p style="color:#004BBD">Text here</p> · <div style="background-color:#004BBD">Div content here</div>

Shades of #004BBD

Tints of #004BBD

Tones of #004BBD

Color harmonies

Complementary — #BD7100:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #004BBD: #FFFFFF.

Semi-transparent (opacity) text on #004BBD

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 #004BBD 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 #004BBD 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

← #004BBC  ·  #004BBE →

Frequently asked questions

What color is #004BBD?

#004BBD is Vivid Blue, a blue color (RGB 0, 75, 189). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #004BBD?

#004BBD is RGB 0, 75, 189 — HSL 216°, 100%, 37% — CMYK 100%, 60%, 0%, 26%.

What colors go with #004BBD?

Its complement is #BD7100; analogous partners are #00AABD and #1300BD. It also appears in 6+ palettes in our collection.

Can I use #004BBD for text?

White text on #004BBD has a contrast ratio of 7.66:1 (passes WCAG AA); black text gives 2.74:1.