Palettes / Colors / #252BCB

#252BCB — Blue

#252BCB is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.

Color name

Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #252BCB 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.

#252BCB 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 #CBC525; it also sits naturally between #257DCB and #7225CB. 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 17% · Blue 80%

Cyan 82% · Magenta 79% · Yellow 0% · Key 20%

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

Previews

CSS code for #252BCB

.text { color: #252BCB; }
.background { background-color: #252BCB; }
.border { border: 3px solid #252BCB; }
.text-rgb { color: rgb(37, 43, 203); }
.text-hsl { color: hsl(238, 69%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #252BCB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(37, 43, 203, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #252BCB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(37, 43, 203, 0.8); }

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

Shades of #252BCB

Tints of #252BCB

Tones of #252BCB

Color harmonies

Complementary — #CBC525:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #252BCB: #FFFFFF.

Semi-transparent (opacity) text on #252BCB

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 #252BCB 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 #252BCB 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

← #252BCA  ·  #252BCC →

Frequently asked questions

What color is #252BCB?

#252BCB is Blue, a blue color (RGB 37, 43, 203). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #252BCB?

#252BCB is RGB 37, 43, 203 — HSL 238°, 69%, 47% — CMYK 82%, 79%, 0%, 20%.

What colors go with #252BCB?

Its complement is #CBC525; analogous partners are #257DCB and #7225CB. It also appears in 6+ palettes in our collection.

Can I use #252BCB for text?

White text on #252BCB has a contrast ratio of 9.18:1 (passes WCAG AA); black text gives 2.29:1.