Palettes / Colors / #183EE7

#183EE7 — Vivid Blue

#183EE7 is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#183EE7 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 #E7C118; it also sits naturally between #18A5E7 and #5A18E7. 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 9% · Green 24% · Blue 91%

Cyan 90% · Magenta 73% · Yellow 0% · Key 9%

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

Previews

CSS code for #183EE7

.text { color: #183EE7; }
.background { background-color: #183EE7; }
.border { border: 3px solid #183EE7; }
.text-rgb { color: rgb(24, 62, 231); }
.text-hsl { color: hsl(229, 81%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #183EE7; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(24, 62, 231, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #183EE7; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(24, 62, 231, 0.8); }

HTML: <p style="color:#183EE7">Text here</p> · <div style="background-color:#183EE7">Div content here</div>

Shades of #183EE7

Tints of #183EE7

Tones of #183EE7

Color harmonies

Complementary — #E7C118:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #183EE7: #FFFFFF.

How #183EE7 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 #183EE7 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

← #183EE6  ·  #183EE8 →

Frequently asked questions

What color is #183EE7?

#183EE7 is Vivid Blue, a blue color (RGB 24, 62, 231). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #183EE7?

#183EE7 is RGB 24, 62, 231 — HSL 229°, 81%, 50% — CMYK 90%, 73%, 0%, 9%.

What colors go with #183EE7?

Its complement is #E7C118; analogous partners are #18A5E7 and #5A18E7. It also appears in 6+ palettes in our collection.

Can I use #183EE7 for text?

White text on #183EE7 has a contrast ratio of 7.29:1 (passes WCAG AA); black text gives 2.88:1.