Palettes / Colors / #252DBC

#252DBC — Blue

#252DBC 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 #252DBC 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.

#252DBC 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 #BBB425; it also sits naturally between #2578BB and #6925BB. 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 15% · Green 18% · Blue 74%

Cyan 80% · Magenta 76% · Yellow 0% · Key 26%

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

Previews

CSS code for #252DBC

.text { color: #252DBC; }
.background { background-color: #252DBC; }
.border { border: 3px solid #252DBC; }
.text-rgb { color: rgb(37, 45, 188); }
.text-hsl { color: hsl(237, 67%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #252DBC; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(37, 45, 188, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #252DBC; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(37, 45, 188, 0.8); }

HTML: <p style="color:#252DBC">Text here</p> · <div style="background-color:#252DBC">Div content here</div>

Shades of #252DBC

Tints of #252DBC

Tones of #252DBC

Color harmonies

Complementary — #BBB425:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #252DBC: #FFFFFF.

Semi-transparent (opacity) text on #252DBC

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 #252DBC 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 #252DBC 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

← #252DBB  ·  #252DBD →

Frequently asked questions

What color is #252DBC?

#252DBC is Blue, a blue color (RGB 37, 45, 188). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #252DBC?

#252DBC is RGB 37, 45, 188 — HSL 237°, 67%, 44% — CMYK 80%, 76%, 0%, 26%.

What colors go with #252DBC?

Its complement is #BBB425; analogous partners are #2578BB and #6925BB. It also appears in 6+ palettes in our collection.

Can I use #252DBC for text?

White text on #252DBC has a contrast ratio of 9.63:1 (passes WCAG AA); black text gives 2.18:1.