Palettes / Colors / #0643EB

#0643EB — Vivid Blue

#0643EB 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 #0643EB 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.

#0643EB 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 #EAAD06; it also sits naturally between #06B5EA and #3B06EA. 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 26% · Blue 92%

Cyan 97% · Magenta 71% · Yellow 0% · Key 8%

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

Previews

CSS code for #0643EB

.text { color: #0643EB; }
.background { background-color: #0643EB; }
.border { border: 3px solid #0643EB; }
.text-rgb { color: rgb(6, 67, 235); }
.text-hsl { color: hsl(224, 95%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #0643EB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(6, 67, 235, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #0643EB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(6, 67, 235, 0.8); }

HTML: <p style="color:#0643EB">Text here</p> · <div style="background-color:#0643EB">Div content here</div>

Shades of #0643EB

Tints of #0643EB

Tones of #0643EB

Color harmonies

Complementary — #EAAD06:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #0643EB: #FFFFFF.

Semi-transparent (opacity) text on #0643EB

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 #0643EB 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 #0643EB 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

← #0643EA  ·  #0643EC →

Frequently asked questions

What color is #0643EB?

#0643EB is Vivid Blue, a blue color (RGB 6, 67, 235). Its closest standard named color is Blue.

What is the RGB and HSL of #0643EB?

#0643EB is RGB 6, 67, 235 — HSL 224°, 95%, 47% — CMYK 97%, 71%, 0%, 8%.

What colors go with #0643EB?

Its complement is #EAAD06; analogous partners are #06B5EA and #3B06EA. It also appears in 6+ palettes in our collection.

Can I use #0643EB for text?

White text on #0643EB has a contrast ratio of 6.98:1 (passes WCAG AA); black text gives 3.01:1.