Palettes / Colors / #331A66

#331A66 — Deep Purple

#331A66 is a purple color we call Deep Purple, closest to the named color MidnightBlue (#191970). It belongs to the purple family.

Color name

Closest CSS keyword: midnightblue (#191970) — not an exact match. CSS midnightblue gives you #191970, a different color; use #331A66 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.

#331A66 is a cool purple color associated with luxury, creativity and mystery. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #4C651A; it also sits naturally between #1A2765 and #591A65. 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 20% · Green 10% · Blue 40%

Cyan 50% · Magenta 75% · Yellow 0% · Key 60%

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

Previews

CSS code for #331A66

.text { color: #331A66; }
.background { background-color: #331A66; }
.border { border: 3px solid #331A66; }
.text-rgb { color: rgb(51, 26, 102); }
.text-hsl { color: hsl(260, 59%, 25%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #331A66; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 26, 102, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #331A66; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 26, 102, 0.8); }

HTML: <p style="color:#331A66">Text here</p> · <div style="background-color:#331A66">Div content here</div>

Shades of #331A66

Tints of #331A66

Tones of #331A66

Color harmonies

Complementary — #4C651A:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #331A66: #FFFFFF.

Semi-transparent (opacity) text on #331A66

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 #331A66 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 #331A66 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

← #331A65  ·  #331A67 →

Frequently asked questions

What color is #331A66?

#331A66 is Deep Purple, a purple color (RGB 51, 26, 102). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #331A66?

#331A66 is RGB 51, 26, 102 — HSL 260°, 59%, 25% — CMYK 50%, 75%, 0%, 60%.

What colors go with #331A66?

Its complement is #4C651A; analogous partners are #1A2765 and #591A65. It also appears in 6+ palettes in our collection.

Can I use #331A66 for text?

White text on #331A66 has a contrast ratio of 14.19:1 (passes WCAG AA); black text gives 1.48:1.