Palettes / Colors / #372AEE

#372AEE — Vivid Blue

#372AEE 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 #372AEE 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.

#372AEE 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 #E1EE2B; it also sits naturally between #2B7FEE and #992BEE. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 22% · Green 16% · Blue 93%

Cyan 77% · Magenta 82% · Yellow 0% · Key 7%

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

Previews

CSS code for #372AEE

.text { color: #372AEE; }
.background { background-color: #372AEE; }
.border { border: 3px solid #372AEE; }
.text-rgb { color: rgb(55, 42, 238); }
.text-hsl { color: hsl(244, 85%, 55%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #372AEE; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(55, 42, 238, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #372AEE; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(55, 42, 238, 0.8); }

HTML: <p style="color:#372AEE">Text here</p> · <div style="background-color:#372AEE">Div content here</div>

Shades of #372AEE

Tints of #372AEE

Tones of #372AEE

Color harmonies

Complementary — #E1EE2B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #372AEE: #FFFFFF.

Semi-transparent (opacity) text on #372AEE

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 #372AEE 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 #372AEE 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

← #372AED  ·  #372AEF →

Frequently asked questions

What color is #372AEE?

#372AEE is Vivid Blue, a blue color (RGB 55, 42, 238). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #372AEE?

#372AEE is RGB 55, 42, 238 — HSL 244°, 85%, 55% — CMYK 77%, 82%, 0%, 7%.

What colors go with #372AEE?

Its complement is #E1EE2B; analogous partners are #2B7FEE and #992BEE. It also appears in 6+ palettes in our collection.

Can I use #372AEE for text?

White text on #372AEE has a contrast ratio of 7.70:1 (passes WCAG AA); black text gives 2.73:1.