Palettes / Colors / #1C5259

#1C5259 — Deep Muted Teal

#1C5259 is a teal color we call Deep Muted Teal, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the teal family.

Color name

Closest CSS keyword: darkslategray (#2F4F4F) — not an exact match. CSS darkslategray gives you #2F4F4F, a different color; use #1C5259 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.

#1C5259 is a cool teal color associated with freshness, clarity and balance. 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 #59231C; it also sits naturally between #1C5942 and #1C3459. 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 11% · Green 32% · Blue 35%

Cyan 69% · Magenta 8% · Yellow 0% · Key 65%

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

Previews

CSS code for #1C5259

.text { color: #1C5259; }
.background { background-color: #1C5259; }
.border { border: 3px solid #1C5259; }
.text-rgb { color: rgb(28, 82, 89); }
.text-hsl { color: hsl(187, 52%, 23%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #1C5259; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(28, 82, 89, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #1C5259; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(28, 82, 89, 0.8); }

HTML: <p style="color:#1C5259">Text here</p> · <div style="background-color:#1C5259">Div content here</div>

Shades of #1C5259

Tints of #1C5259

Tones of #1C5259

Color harmonies

Complementary — #59231C:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #1C5259: #FFFFFF.

Semi-transparent (opacity) text on #1C5259

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 #1C5259 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 #1C5259 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

← #1C5258  ·  #1C525A →

Frequently asked questions

What color is #1C5259?

#1C5259 is Deep Muted Teal, a teal color (RGB 28, 82, 89). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #1C5259?

#1C5259 is RGB 28, 82, 89 — HSL 187°, 52%, 23% — CMYK 69%, 8%, 0%, 65%.

What colors go with #1C5259?

Its complement is #59231C; analogous partners are #1C5942 and #1C3459. It also appears in 6+ palettes in our collection.

Can I use #1C5259 for text?

White text on #1C5259 has a contrast ratio of 8.75:1 (passes WCAG AA); black text gives 2.40:1.