Palettes / Colors / #333374

#333374 — Muted Blue

#333374 is a blue color we call Muted 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 #333374 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.

#333374 is a cool blue color associated with trust, calm and professionalism. 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 #757533; it also sits naturally between #335475 and #543375. 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 20% · Blue 45%

Cyan 56% · Magenta 56% · Yellow 0% · Key 55%

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

Previews

CSS code for #333374

.text { color: #333374; }
.background { background-color: #333374; }
.border { border: 3px solid #333374; }
.text-rgb { color: rgb(51, 51, 116); }
.text-hsl { color: hsl(240, 39%, 33%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #333374; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(51, 51, 116, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #333374; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(51, 51, 116, 0.8); }

HTML: <p style="color:#333374">Text here</p> · <div style="background-color:#333374">Div content here</div>

Shades of #333374

Tints of #333374

Tones of #333374

Color harmonies

Complementary — #757533:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #333374: #FFFFFF.

Semi-transparent (opacity) text on #333374

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 #333374 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 #333374 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

← #333373  ·  #333375 →

Frequently asked questions

What color is #333374?

#333374 is Muted Blue, a blue color (RGB 51, 51, 116). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #333374?

#333374 is RGB 51, 51, 116 — HSL 240°, 39%, 33% — CMYK 56%, 56%, 0%, 55%.

What colors go with #333374?

Its complement is #757533; analogous partners are #335475 and #543375. It also appears in 6+ palettes in our collection.

Can I use #333374 for text?

White text on #333374 has a contrast ratio of 11.25:1 (passes WCAG AA); black text gives 1.87:1.