Palettes / Colors / #3F00A1
#3F00A1 — Vivid Purple
#3F00A1 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 #3F00A1 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.
#3F00A1 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 #65A300; it also sits naturally between #0013A3 and #9000A3. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #3F00A1 |
|---|---|
| RGB | 63, 0, 161 |
| HSL | 263°, 100%, 32% |
| HSV | 263°, 100%, 63% |
| CMYK | 61%, 100%, 0%, 37% |
| XYZ | 8.48, 3.63, 33.97 |
| Yxy | 3.63, 0.1841, 0.0788 |
| CIE-Lab | 22.41, 57.89, -69.43 |
| Hunter Lab | 19.05, 47.90, -97.01 |
RGB & CMYK percentages
Red 25% · Green 0% · Blue 63%
Cyan 61% · Magenta 100% · Yellow 0% · Key 37%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #3F00A1
.text { color: #3F00A1; }
.background { background-color: #3F00A1; }
.border { border: 3px solid #3F00A1; }
.text-rgb { color: rgb(63, 0, 161); }
.text-hsl { color: hsl(263, 100%, 32%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #3F00A1; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(63, 0, 161, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #3F00A1; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(63, 0, 161, 0.8); }
HTML: <p style="color:#3F00A1">Text here</p> · <div style="background-color:#3F00A1">Div content here</div>
Shades of #3F00A1
Tints of #3F00A1
Tones of #3F00A1
Color harmonies
Complementary — #65A300:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 12.17:1 AAA |
|---|---|
| Against black text | 1.73:1 Fails |
Best text color on #3F00A1: #FFFFFF.
Semi-transparent (opacity) text on #3F00A1
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #3F00A1: ·
How #3F00A1 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 #3F00A1 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
Frequently asked questions
What color is #3F00A1?
#3F00A1 is Vivid Purple, a purple color (RGB 63, 0, 161). Its closest standard named color is Indigo.
What is the RGB and HSL of #3F00A1?
#3F00A1 is RGB 63, 0, 161 — HSL 263°, 100%, 32% — CMYK 61%, 100%, 0%, 37%.
What colors go with #3F00A1?
Its complement is #65A300; analogous partners are #0013A3 and #9000A3. It also appears in 6+ palettes in our collection.
Can I use #3F00A1 for text?
White text on #3F00A1 has a contrast ratio of 12.17:1 (passes WCAG AA); black text gives 1.73:1.