Maroon Colors  ·  Color Library

Palettes / Colors / #155B60

#155B60 — Deep Teal

#155B60 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 #155B60 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.

#155B60 is a cool teal color associated with freshness, clarity and balance. 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 #601A15; it also sits naturally between #156040 and #153660. In the palettes below you can see it working alongside real color combinations from our collection.

#155B60 · RGB 21, 91, 96

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Color values

HEX#155B60
RGB21, 91, 96
HSL184°, 64%, 23%
HSV184°, 78%, 38%
CMYK78%, 5%, 0%, 62%
XYZ6.16, 8.49, 12.38
Yxy8.49, 0.2280, 0.3140
CIE-Lab34.98, -18.86, -9.00
Hunter Lab29.13, -11.85, -6.64

RGB & CMYK percentages

Red 8% · Green 36% · Blue 38%

Cyan 78% · Magenta 5% · Yellow 0% · Key 62%

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

Previews

Sample text in #155B60 on black
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sample text in #155B60 on white
Lorem ipsum dolor sit amet, consectetur adipiscing elit.

CSS code for #155B60

.text { color: #155B60; }
.background { background-color: #155B60; }
.border { border: 3px solid #155B60; }
.text-rgb { color: rgb(21, 91, 96); }
.text-hsl { color: hsl(184, 64%, 23%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #155B60; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(21, 91, 96, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #155B60; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(21, 91, 96, 0.8); }

HTML: <p style="color:#155B60">Text here</p> · <div style="background-color:#155B60">Div content here</div>

Shades of #155B60

#135358#114B4F#104347#0E3B3F#0D383B#0B3032#09282A#072021#061819#041011

Tints of #155B60

#1C777D#23979F#29B2BC#36C8D3#58D2DA#75DAE1#92E1E7#B0E9EE#D1F3F5#EEFAFB

Tones of #155B60

#1A575B#205256#254D50#2B484A#304445#353F40

Color harmonies

Complementary — #601A15:

Analogous:

Triadic:

Contrast & accessibility

Against white text7.79:1 AAA
Against black text2.70:1 Fails

Best text color on #155B60: #FFFFFF.

Semi-transparent (opacity) text on #155B60

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:

100%
Sample heading text
Smaller body text shows the effect best.

Blended color: · Contrast against #155B60: ·

How #155B60 looks with color blindness

Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:

Protanopia · #33345FDeuteranopia · #2F2A5ETritanopia · #195E5E

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:

Bootstrap success · #198754Tailwind slate 600 · #475569Tailwind gray 600 · #4B5563

Palettes with a similar color

These palettes use a close neighbour of #155B60 rather than the exact color:

Palette 003c43
#003C43 · #135D66 · #77B0AA · #E3FEF7
Vivid Ruby Orchard
#217927 · #195A59 · #161E59 · #601973
Burning Breeze
#165D58 · #2467BA · #6ED2C9 · #8DF1F1
Lucky Ruby Whisper
#88CA21 · #3FD735 · #2FB06F · #116265
Palette 155263
#155263 · #FF6F3C · #FF9A3C · #FFC93C
Radiant Ruby Twilight
#383C1D · #134D14 · #145B56 · #101948

Similar colors

The closest colors that actually appear in our palette collection — click any to open its page:

#135D66#195A59#165D58#116265#155263#145B56#15525B#115558#1B515E#215B63#215E61#126468

Browse neighbouring colors

← #155B5F  ·  #155B61 →

Frequently asked questions

What color is #155B60?

#155B60 is Deep Teal, a teal color (RGB 21, 91, 96). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #155B60?

#155B60 is RGB 21, 91, 96 — HSL 184°, 64%, 23% — CMYK 78%, 5%, 0%, 62%.

What colors go with #155B60?

Its complement is #601A15; analogous partners are #156040 and #153660. It also appears in 6+ palettes in our collection.

Can I use #155B60 for text?

White text on #155B60 has a contrast ratio of 7.79:1 (passes WCAG AA); black text gives 2.70:1.