#177BA6 Color

#177BA6 is rgb(23, 123, 166) in RGB, hsl(198, 76%, 37%) in HSL, and about cmyk(86%, 26%, 0%, 35%) in CMYK. It has no registered color name of its own — the closest is Cerulean (#007BA7), below the threshold most people can see at ΔE 1.42. White text is the more readable choice on this background.

#177BA6

HEX#177BA6

RGBrgb(23, 123, 166)

HSLhsl(198, 76%, 37%)

HSVhsv(198, 86%, 65%)

CMYKcmyk(86%, 26%, 0%, 35%)

OKLCHoklch(55% 0.108 233.4)

LABlab(47.88% -16.00 -31.27)

LCHlch(47.88% 35.12 242.91)

What #177BA6 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #177BA6, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cerulean#007BA7ΔE 1.42 Sea Blue#006994ΔE 7.16 Blue (NCS)#0087BDΔE 7.71 Steel Blue#4682B4ΔE 8.81 Star Command Blue#007BB8ΔE 10.52 Blue Sapphire#126180ΔE 12.3

Browse the full index of named colors A-Z or every teal in the library.

#177BA6 Channel Values

How #177BA6 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 23 · G 123 · B 166	8-bit channels as sent to the display
HSL	H 198° · S 76% · L 37%	Easiest model for building lighter and darker variants
HSV	H 198° · S 86% · V 65%	Matches the picker in most design tools
CMYK	C 86% · M 26% · Y 0% · K 35%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	4.75:1 vs white · 4.42:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #177BA6 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text4.75:1AA normal AA large AAA normal

Fails AABlack text4.42:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #177BA6 in the contrast checker.

Colors That Go With #177BA6

Pairings derived from color-wheel relationships. The complementary color sits opposite #177BA6; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #177BA6

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #177BA6.

How #177BA6 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#177BA6

Protanopia#7171A6

Protanomaly#5A75A6

Deuteranopia#6767A7

Deuteranomaly#526FA7

Tritanopia#008181

Tritanomaly#007F91

Achromatopsia#737373

Test a full palette in the color blindness simulator.

Using #177BA6 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-177ba6: #177BA6;

CSS backgroundbackground-color: #177BA6;

Tailwind configcolors: { 'color-177ba6': '#177BA6' }

SwiftUIColor(red: 0.090, green: 0.482, blue: 0.651)

Android XML<color name="color_177ba6">#177BA6</color>

SVG fillfill="#177BA6"

More Teal Colors

#177BA6 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#177BA6 Frequently Asked Questions

What color is #177BA6?

#177BA6 is a dark teal — rgb(23, 123, 166) in RGB and hsl(198, 76%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Cerulean (#007BA7), which is below the threshold most people can see at a CIE76 distance of 1.42.

What is the RGB value of #177BA6?

#177BA6 is rgb(23, 123, 166) — red 23, green 123, and blue 166 on the 0-255 scale.

What is the CMYK value of #177BA6?

#177BA6 converts to approximately cmyk(86%, 26%, 0%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #177BA6 be black or white?

White text is the more readable choice. #177BA6 scores 4.75:1 against white and 4.42:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #177BA6 as a CSS color keyword?

No. #177BA6 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is steelblue (#4682B4) at a CIE76 distance of 8.81, which is clearly related but distinguishable side by side.

Open #177BA6 in a Tool

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Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.