Palettes / Colors / #3B00A8

#3B00A8 — Vivid Purple

#3B00A8 is a purple color we call Vivid Purple, closest to the named color Indigo (#4B0082). It belongs to the purple family.

Color name

Closest CSS keyword: indigo (#4B0082) — not an exact match. CSS indigo gives you #4B0082, a different color; use #3B00A8 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.

#3B00A8 is a cool purple color associated with luxury, creativity and mystery. 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 #6DA800; it also sits naturally between #0019A8 and #8F00A8. 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 23% · Green 0% · Blue 66%

Cyan 65% · Magenta 100% · Yellow 0% · Key 34%

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

Previews

CSS code for #3B00A8

.text { color: #3B00A8; }
.background { background-color: #3B00A8; }
.border { border: 3px solid #3B00A8; }
.text-rgb { color: rgb(59, 0, 168); }
.text-hsl { color: hsl(261, 100%, 33%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3B00A8; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(59, 0, 168, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3B00A8; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(59, 0, 168, 0.8); }

HTML: <p style="color:#3B00A8">Text here</p> · <div style="background-color:#3B00A8">Div content here</div>

Shades of #3B00A8

Tints of #3B00A8

Tones of #3B00A8

Color harmonies

Complementary — #6DA800:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #3B00A8: #FFFFFF.

Semi-transparent (opacity) text on #3B00A8

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 #3B00A8 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 #3B00A8 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

← #3B00A7  ·  #3B00A9 →

Frequently asked questions

What color is #3B00A8?

#3B00A8 is Vivid Purple, a purple color (RGB 59, 0, 168). Its closest standard named color is Indigo.

What is the RGB and HSL of #3B00A8?

#3B00A8 is RGB 59, 0, 168 — HSL 261°, 100%, 33% — CMYK 65%, 100%, 0%, 34%.

What colors go with #3B00A8?

Its complement is #6DA800; analogous partners are #0019A8 and #8F00A8. It also appears in 6+ palettes in our collection.

Can I use #3B00A8 for text?

White text on #3B00A8 has a contrast ratio of 11.99:1 (passes WCAG AA); black text gives 1.75:1.