Palettes / Colors / #045FF9

#045FF9 — Vivid Blue

#045FF9 is a blue color we call Vivid Blue, closest to the named color DodgerBlue (#1E90FF). It belongs to the blue family.

Color name

Closest CSS keyword: dodgerblue (#1E90FF) — not an exact match. CSS dodgerblue gives you #1E90FF, a different color; use #045FF9 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.

#045FF9 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 #FBA004; it also sits naturally between #04DAFB and #2504FB. 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 2% · Green 37% · Blue 98%

Cyan 98% · Magenta 62% · Yellow 0% · Key 2%

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

Previews

CSS code for #045FF9

.text { color: #045FF9; }
.background { background-color: #045FF9; }
.border { border: 3px solid #045FF9; }
.text-rgb { color: rgb(4, 95, 249); }
.text-hsl { color: hsl(218, 97%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #045FF9; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 95, 249, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #045FF9; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 95, 249, 0.8); }

HTML: <p style="color:#045FF9">Text here</p> · <div style="background-color:#045FF9">Div content here</div>

Shades of #045FF9

Tints of #045FF9

Tones of #045FF9

Color harmonies

Complementary — #FBA004:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #045FF9: #FFFFFF.

Semi-transparent (opacity) text on #045FF9

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 #045FF9 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 #045FF9 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

← #045FF8  ·  #045FFA →

Frequently asked questions

What color is #045FF9?

#045FF9 is Vivid Blue, a blue color (RGB 4, 95, 249). Its closest standard named color is DodgerBlue.

What is the RGB and HSL of #045FF9?

#045FF9 is RGB 4, 95, 249 — HSL 218°, 97%, 50% — CMYK 98%, 62%, 0%, 2%.

What colors go with #045FF9?

Its complement is #FBA004; analogous partners are #04DAFB and #2504FB. It also appears in 6+ palettes in our collection.

Can I use #045FF9 for text?

White text on #045FF9 has a contrast ratio of 5.24:1 (passes WCAG AA); black text gives 4.01:1.