Palettes / Colors / #263245

#263245 — Deep Dusty Blue

#263245 is a blue color we call Deep Dusty 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 #263245 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.

#263245 is a cool blue color associated with trust, calm and professionalism. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.

Its strongest partner is its complement #453926; it also sits naturally between #264145 and #2A2645. 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 20% · Blue 27%

Cyan 45% · Magenta 28% · Yellow 0% · Key 73%

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

Previews

CSS code for #263245

.text { color: #263245; }
.background { background-color: #263245; }
.border { border: 3px solid #263245; }
.text-rgb { color: rgb(38, 50, 69); }
.text-hsl { color: hsl(217, 29%, 21%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #263245; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(38, 50, 69, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #263245; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(38, 50, 69, 0.8); }

HTML: <p style="color:#263245">Text here</p> · <div style="background-color:#263245">Div content here</div>

Shades of #263245

Tints of #263245

Tones of #263245

Color harmonies

Complementary — #453926:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #263245: #FFFFFF.

Semi-transparent (opacity) text on #263245

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 #263245 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 #263245 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

← #263244  ·  #263246 →

Frequently asked questions

What color is #263245?

#263245 is Deep Dusty Blue, a blue color (RGB 38, 50, 69). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #263245?

#263245 is RGB 38, 50, 69 — HSL 217°, 29%, 21% — CMYK 45%, 28%, 0%, 73%.

What colors go with #263245?

Its complement is #453926; analogous partners are #264145 and #2A2645. It also appears in 6+ palettes in our collection.

Can I use #263245 for text?

White text on #263245 has a contrast ratio of 12.93:1 (passes WCAG AA); black text gives 1.62:1.