Palettes / Colors / #3F33E2

#3F33E2 — Blue

#3F33E2 is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

#3F33E2 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 #D6E232; it also sits naturally between #327EE2 and #9532E2. 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 25% · Green 20% · Blue 89%

Cyan 72% · Magenta 77% · Yellow 0% · Key 11%

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

Previews

CSS code for #3F33E2

.text { color: #3F33E2; }
.background { background-color: #3F33E2; }
.border { border: 3px solid #3F33E2; }
.text-rgb { color: rgb(63, 51, 226); }
.text-hsl { color: hsl(244, 75%, 54%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3F33E2; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(63, 51, 226, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3F33E2; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(63, 51, 226, 0.8); }

HTML: <p style="color:#3F33E2">Text here</p> · <div style="background-color:#3F33E2">Div content here</div>

Shades of #3F33E2

Tints of #3F33E2

Tones of #3F33E2

Color harmonies

Complementary — #D6E232:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3F33E2: #FFFFFF.

How #3F33E2 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 #3F33E2 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

← #3F33E1  ·  #3F33E3 →

Frequently asked questions

What color is #3F33E2?

#3F33E2 is Blue, a blue color (RGB 63, 51, 226). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #3F33E2?

#3F33E2 is RGB 63, 51, 226 — HSL 244°, 75%, 54% — CMYK 72%, 77%, 0%, 11%.

What colors go with #3F33E2?

Its complement is #D6E232; analogous partners are #327EE2 and #9532E2. It also appears in 6+ palettes in our collection.

Can I use #3F33E2 for text?

White text on #3F33E2 has a contrast ratio of 7.55:1 (passes WCAG AA); black text gives 2.78:1.