Palettes / Colors / #5151CD

#5151CD — Blue

#5151CD is a blue color we call Blue, closest to the named color SlateBlue (#6A5ACD). It belongs to the blue family.

#5151CD 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 #CDCD51; it also sits naturally between #518FCD and #8F51CD. 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 32% · Green 32% · Blue 80%

Cyan 60% · Magenta 60% · Yellow 0% · Key 20%

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

Previews

CSS code for #5151CD

.text { color: #5151CD; }
.background { background-color: #5151CD; }
.border { border: 3px solid #5151CD; }
.text-rgb { color: rgb(81, 81, 205); }
.text-hsl { color: hsl(240, 55%, 56%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #5151CD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 81, 205, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #5151CD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 81, 205, 0.8); }

HTML: <p style="color:#5151CD">Text here</p> · <div style="background-color:#5151CD">Div content here</div>

Shades of #5151CD

Tints of #5151CD

Tones of #5151CD

Color harmonies

Complementary — #CDCD51:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #5151CD: #FFFFFF.

How #5151CD 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 #5151CD 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

← #5151CC  ·  #5151CE →

Frequently asked questions

What color is #5151CD?

#5151CD is Blue, a blue color (RGB 81, 81, 205). Its closest standard named color is SlateBlue.

What is the RGB and HSL of #5151CD?

#5151CD is RGB 81, 81, 205 — HSL 240°, 55%, 56% — CMYK 60%, 60%, 0%, 20%.

What colors go with #5151CD?

Its complement is #CDCD51; analogous partners are #518FCD and #8F51CD. It also appears in 6+ palettes in our collection.

Can I use #5151CD for text?

White text on #5151CD has a contrast ratio of 6.16:1 (passes WCAG AA); black text gives 3.41:1.