Palettes / Colors / #175658
#175658 — Deep Teal
#175658 is a teal color we call Deep 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 #175658 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.
#175658 is a cool teal color associated with freshness, clarity and balance. 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 #591917; it also sits naturally between #17593A and #173659. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #175658 |
|---|---|
| RGB | 23, 86, 88 |
| HSL | 182°, 59%, 22% |
| HSV | 182°, 74%, 35% |
| CMYK | 74%, 2%, 0%, 65% |
| XYZ | 5.44, 7.54, 10.40 |
| Yxy | 7.54, 0.2327, 0.3225 |
| CIE-Lab | 33.01, -18.53, -6.93 |
| Hunter Lab | 27.46, -11.40, -4.91 |
RGB & CMYK percentages
Red 9% · Green 34% · Blue 35%
Cyan 74% · Magenta 2% · Yellow 0% · Key 65%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #175658
.text { color: #175658; }
.background { background-color: #175658; }
.border { border: 3px solid #175658; }
.text-rgb { color: rgb(23, 86, 88); }
.text-hsl { color: hsl(182, 59%, 22%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #175658; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(23, 86, 88, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #175658; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(23, 86, 88, 0.8); }
HTML: <p style="color:#175658">Text here</p> · <div style="background-color:#175658">Div content here</div>
Shades of #175658
Tints of #175658
Tones of #175658
Color harmonies
Complementary — #591917:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 8.37:1 AAA |
|---|---|
| Against black text | 2.51:1 Fails |
Best text color on #175658: #FFFFFF.
Semi-transparent (opacity) text on #175658
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:
Smaller body text shows the effect best.
Blended color: · Contrast against #175658: ·
How #175658 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 #175658 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
Frequently asked questions
What color is #175658?
#175658 is Deep Teal, a teal color (RGB 23, 86, 88). Its closest standard named color is DarkSlateGray.
What is the RGB and HSL of #175658?
#175658 is RGB 23, 86, 88 — HSL 182°, 59%, 22% — CMYK 74%, 2%, 0%, 65%.
What colors go with #175658?
Its complement is #591917; analogous partners are #17593A and #173659. It also appears in 6+ palettes in our collection.
Can I use #175658 for text?
White text on #175658 has a contrast ratio of 8.37:1 (passes WCAG AA); black text gives 2.51:1.