Maroon Colors  ·  Color Library

Palettes / Colors / #166BAB

#166BAB — Blue

#166BAB is a blue color we call Blue, closest to the named color DarkCyan (#008B8B). It belongs to the blue family.

Color name

Closest CSS keyword: darkcyan (#008B8B) — not an exact match. CSS darkcyan gives you #008B8B, a different color; use #166BAB 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.

#166BAB is a cool blue color associated with trust, calm and professionalism. 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 #AC5716; it also sits naturally between #16ACA2 and #1620AC. In the palettes below you can see it working alongside real color combinations from our collection.

#166BAB · RGB 22, 107, 171

Download PNG swatch SVG

Color values

HEX#166BAB
RGB22, 107, 171
HSL206°, 77%, 38%
HSV206°, 87%, 67%
CMYK87%, 37%, 0%, 33%
XYZ12.94, 13.63, 40.48
Yxy13.63, 0.1930, 0.2033
CIE-Lab43.69, -0.08, -40.89
Hunter Lab36.91, -0.06, -42.76

RGB & CMYK percentages

Red 9% · Green 42% · Blue 67%

Cyan 87% · Magenta 37% · Yellow 0% · Key 33%

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

Previews

Sample text in #166BAB on black
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sample text in #166BAB on white
Lorem ipsum dolor sit amet, consectetur adipiscing elit.

CSS code for #166BAB

.text { color: #166BAB; }
.background { background-color: #166BAB; }
.border { border: 3px solid #166BAB; }
.text-rgb { color: rgb(22, 107, 171); }
.text-hsl { color: hsl(206, 77%, 38%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #166BAB; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(22, 107, 171, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #166BAB; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(22, 107, 171, 0.8); }

HTML: <p style="color:#166BAB">Text here</p> · <div style="background-color:#166BAB">Div content here</div>

Shades of #166BAB

#15629E#12578C#104F7E#0E436C#0C3B5F#0B3351#08273F#061F32#041420#020B12

Tints of #166BAB

#1A7CC7#1D8DE2#3498E5#4FA6E8#6AB3EC#85C1EF#A0CFF3#B7DAF6#D2E8F9#EDF6FD

Tones of #166BAB

#2169A1#2C6896#36678C#416581#4C6476#56626C

Color harmonies

Complementary — #AC5716:

Analogous:

Triadic:

Contrast & accessibility

Against white text5.64:1 AA
Against black text3.73:1 AA large only

Best text color on #166BAB: #FFFFFF.

Semi-transparent (opacity) text on #166BAB

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 #166BAB: ·

How #166BAB looks with color blindness

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

Protanopia · #3B3C9CDeuteranopia · #363098Tritanopia · #1A8F8D

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:

Tailwind cyan 600 · #0891B2Tailwind sky 600 · #0284C7Material Indigo 500 · #3F51B5

Palettes with a similar color

These palettes use a close neighbour of #166BAB rather than the exact color:

Palette 03256c
#03256C · #2541B2 · #1768AC · #E5D549
Frozen Ruby Bloom
#1767A8 · #1B1CB4 · #6F1EB8 · #DD3AD2
Velvet Ruby Harbor
#1667AF · #1610CB · #8C12E1 · #DE12BF
Tender Voyage
#26E322 · #17B461 · #1E9E9A · #196BB0
Vivid Ruby Breeze
#33B81A · #20DC68 · #16BBAE · #1469B1
Hidden Ruby Ember
#1866A4 · #39BEE1 · #C86A1E · #EACEA0

Similar colors

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

#1768AC#1767A8#1667AF#196BB0#1469B1#1866A4#0E67A9#1C6EA4#0F67B1#155EAB#0D63A5#1774B5

Browse neighbouring colors

← #166BAA  ·  #166BAC →

Frequently asked questions

What color is #166BAB?

#166BAB is Blue, a blue color (RGB 22, 107, 171). Its closest standard named color is DarkCyan.

What is the RGB and HSL of #166BAB?

#166BAB is RGB 22, 107, 171 — HSL 206°, 77%, 38% — CMYK 87%, 37%, 0%, 33%.

What colors go with #166BAB?

Its complement is #AC5716; analogous partners are #16ACA2 and #1620AC. It also appears in 6+ palettes in our collection.

Can I use #166BAB for text?

White text on #166BAB has a contrast ratio of 5.64:1 (passes WCAG AA); black text gives 3.73:1.