Palettes / Colors / #263ACF

#263ACF — Blue

#263ACF 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 #263ACF 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.

#263ACF 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 #CFBB26; it also sits naturally between #268ECF and #6726CF. 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 23% · Blue 81%

Cyan 82% · Magenta 72% · Yellow 0% · Key 19%

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

Previews

CSS code for #263ACF

.text { color: #263ACF; }
.background { background-color: #263ACF; }
.border { border: 3px solid #263ACF; }
.text-rgb { color: rgb(38, 58, 207); }
.text-hsl { color: hsl(233, 69%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #263ACF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(38, 58, 207, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #263ACF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(38, 58, 207, 0.8); }

HTML: <p style="color:#263ACF">Text here</p> · <div style="background-color:#263ACF">Div content here</div>

Shades of #263ACF

Tints of #263ACF

Tones of #263ACF

Color harmonies

Complementary — #CFBB26:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #263ACF: #FFFFFF.

Semi-transparent (opacity) text on #263ACF

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 #263ACF 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 #263ACF 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

← #263ACE  ·  #263AD0 →

Frequently asked questions

What color is #263ACF?

#263ACF is Blue, a blue color (RGB 38, 58, 207). Its closest standard named color is RoyalBlue.

What is the RGB and HSL of #263ACF?

#263ACF is RGB 38, 58, 207 — HSL 233°, 69%, 48% — CMYK 82%, 72%, 0%, 19%.

What colors go with #263ACF?

Its complement is #CFBB26; analogous partners are #268ECF and #6726CF. It also appears in 6+ palettes in our collection.

Can I use #263ACF for text?

White text on #263ACF has a contrast ratio of 8.11:1 (passes WCAG AA); black text gives 2.59:1.