Palettes / Colors / #263EB7

#263EB7 — Blue

#263EB7 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 #263EB7 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.

#263EB7 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 #B69E25; it also sits naturally between #2586B6 and #5625B6. 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 24% · Blue 72%

Cyan 79% · Magenta 66% · Yellow 0% · Key 28%

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

Previews

CSS code for #263EB7

.text { color: #263EB7; }
.background { background-color: #263EB7; }
.border { border: 3px solid #263EB7; }
.text-rgb { color: rgb(38, 62, 183); }
.text-hsl { color: hsl(230, 66%, 43%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #263EB7; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(38, 62, 183, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #263EB7; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(38, 62, 183, 0.8); }

HTML: <p style="color:#263EB7">Text here</p> · <div style="background-color:#263EB7">Div content here</div>

Shades of #263EB7

Tints of #263EB7

Tones of #263EB7

Color harmonies

Complementary — #B69E25:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #263EB7: #FFFFFF.

Semi-transparent (opacity) text on #263EB7

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 #263EB7 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 #263EB7 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

← #263EB6  ·  #263EB8 →

Frequently asked questions

What color is #263EB7?

#263EB7 is Blue, a blue color (RGB 38, 62, 183). Its closest standard named color is DarkSlateBlue.

What is the RGB and HSL of #263EB7?

#263EB7 is RGB 38, 62, 183 — HSL 230°, 66%, 43% — CMYK 79%, 66%, 0%, 28%.

What colors go with #263EB7?

Its complement is #B69E25; analogous partners are #2586B6 and #5625B6. It also appears in 6+ palettes in our collection.

Can I use #263EB7 for text?

White text on #263EB7 has a contrast ratio of 8.55:1 (passes WCAG AA); black text gives 2.46:1.