Palettes / Colors / #243EEB

#243EEB — Vivid Blue

#243EEB 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 #243EEB 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.

#243EEB 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 #EBD024; it also sits naturally between #24A2EB and #6D24EB. 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 14% · Green 24% · Blue 92%

Cyan 85% · Magenta 74% · Yellow 0% · Key 8%

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

Previews

CSS code for #243EEB

.text { color: #243EEB; }
.background { background-color: #243EEB; }
.border { border: 3px solid #243EEB; }
.text-rgb { color: rgb(36, 62, 235); }
.text-hsl { color: hsl(232, 83%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #243EEB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(36, 62, 235, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #243EEB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(36, 62, 235, 0.8); }

HTML: <p style="color:#243EEB">Text here</p> · <div style="background-color:#243EEB">Div content here</div>

Shades of #243EEB

Tints of #243EEB

Tones of #243EEB

Color harmonies

Complementary — #EBD024:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #243EEB: #FFFFFF.

Semi-transparent (opacity) text on #243EEB

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 #243EEB 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 #243EEB 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

← #243EEA  ·  #243EEC →

Frequently asked questions

What color is #243EEB?

#243EEB is Vivid Blue, a blue color (RGB 36, 62, 235). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #243EEB?

#243EEB is RGB 36, 62, 235 — HSL 232°, 83%, 53% — CMYK 85%, 74%, 0%, 8%.

What colors go with #243EEB?

Its complement is #EBD024; analogous partners are #24A2EB and #6D24EB. It also appears in 6+ palettes in our collection.

Can I use #243EEB for text?

White text on #243EEB has a contrast ratio of 7.09:1 (passes WCAG AA); black text gives 2.96:1.