Palettes / Colors / #263155

#263155 — Deep Muted Blue

#263155 is a blue color we call Deep Muted Blue, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the blue family.

Color name

Closest CSS keyword: darkslategray (#2F4F4F) — not an exact match. CSS darkslategray gives you #2F4F4F, a different color; use #263155 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.

#263155 is a cool blue color associated with trust, calm and professionalism. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #544A26; it also sits naturally between #264854 and #322654. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 15% · Green 19% · Blue 33%

Cyan 55% · Magenta 42% · Yellow 0% · Key 67%

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

Previews

CSS code for #263155

.text { color: #263155; }
.background { background-color: #263155; }
.border { border: 3px solid #263155; }
.text-rgb { color: rgb(38, 49, 85); }
.text-hsl { color: hsl(226, 38%, 24%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #263155; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(38, 49, 85, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #263155; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(38, 49, 85, 0.8); }

HTML: <p style="color:#263155">Text here</p> · <div style="background-color:#263155">Div content here</div>

Shades of #263155

Tints of #263155

Tones of #263155

Color harmonies

Complementary — #544A26:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #263155: #FFFFFF.

Semi-transparent (opacity) text on #263155

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 #263155 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 #263155 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

← #263154  ·  #263156 →

Frequently asked questions

What color is #263155?

#263155 is Deep Muted Blue, a blue color (RGB 38, 49, 85). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #263155?

#263155 is RGB 38, 49, 85 — HSL 226°, 38%, 24% — CMYK 55%, 42%, 0%, 67%.

What colors go with #263155?

Its complement is #544A26; analogous partners are #264854 and #322654. It also appears in 6+ palettes in our collection.

Can I use #263155 for text?

White text on #263155 has a contrast ratio of 12.70:1 (passes WCAG AA); black text gives 1.65:1.