Palettes / Colors / #2B2BBF

#2B2BBF — Blue

#2B2BBF is a blue color we call 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 #2B2BBF 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.

#2B2BBF is a cool blue color associated with trust, calm and professionalism. 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 #BFBF2B; it also sits naturally between #2B75BF and #752BBF. 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 17% · Green 17% · Blue 75%

Cyan 77% · Magenta 77% · Yellow 0% · Key 25%

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

Previews

CSS code for #2B2BBF

.text { color: #2B2BBF; }
.background { background-color: #2B2BBF; }
.border { border: 3px solid #2B2BBF; }
.text-rgb { color: rgb(43, 43, 191); }
.text-hsl { color: hsl(240, 63%, 46%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #2B2BBF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(43, 43, 191, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #2B2BBF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(43, 43, 191, 0.8); }

HTML: <p style="color:#2B2BBF">Text here</p> · <div style="background-color:#2B2BBF">Div content here</div>

Shades of #2B2BBF

Tints of #2B2BBF

Tones of #2B2BBF

Color harmonies

Complementary — #BFBF2B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #2B2BBF: #FFFFFF.

Semi-transparent (opacity) text on #2B2BBF

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 #2B2BBF 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 #2B2BBF 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

← #2B2BBE  ·  #2B2BC0 →

Frequently asked questions

What color is #2B2BBF?

#2B2BBF is Blue, a blue color (RGB 43, 43, 191). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #2B2BBF?

#2B2BBF is RGB 43, 43, 191 — HSL 240°, 63%, 46% — CMYK 77%, 77%, 0%, 25%.

What colors go with #2B2BBF?

Its complement is #BFBF2B; analogous partners are #2B75BF and #752BBF. It also appears in 6+ palettes in our collection.

Can I use #2B2BBF for text?

White text on #2B2BBF has a contrast ratio of 9.54:1 (passes WCAG AA); black text gives 2.20:1.