Palettes / Colors / #3C19BB

#3C19BB — Blue

#3C19BB is a blue color we call Blue, closest to the named color DarkSlateBlue (#483D8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkslateblue (#483D8B) — not an exact match. CSS darkslateblue gives you #483D8B, a different color; use #3C19BB 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.

#3C19BB 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 #99BC1A; it also sits naturally between #1A48BC and #8E1ABC. 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 24% · Green 10% · Blue 73%

Cyan 68% · Magenta 87% · Yellow 0% · Key 27%

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

Previews

CSS code for #3C19BB

.text { color: #3C19BB; }
.background { background-color: #3C19BB; }
.border { border: 3px solid #3C19BB; }
.text-rgb { color: rgb(60, 25, 187); }
.text-hsl { color: hsl(253, 76%, 42%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3C19BB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(60, 25, 187, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3C19BB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(60, 25, 187, 0.8); }

HTML: <p style="color:#3C19BB">Text here</p> · <div style="background-color:#3C19BB">Div content here</div>

Shades of #3C19BB

Tints of #3C19BB

Tones of #3C19BB

Color harmonies

Complementary — #99BC1A:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3C19BB: #FFFFFF.

Semi-transparent (opacity) text on #3C19BB

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 #3C19BB 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 #3C19BB 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

← #3C19BA  ·  #3C19BC →

Frequently asked questions

What color is #3C19BB?

#3C19BB is Blue, a blue color (RGB 60, 25, 187). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #3C19BB?

#3C19BB is RGB 60, 25, 187 — HSL 253°, 76%, 42% — CMYK 68%, 87%, 0%, 27%.

What colors go with #3C19BB?

Its complement is #99BC1A; analogous partners are #1A48BC and #8E1ABC. It also appears in 6+ palettes in our collection.

Can I use #3C19BB for text?

White text on #3C19BB has a contrast ratio of 10.25:1 (passes WCAG AA); black text gives 2.05:1.