#155E6A Color

#155E6A is rgb(21, 94, 106) in RGB, hsl(188, 67%, 25%) in HSL, and about cmyk(80%, 11%, 0%, 58%) in CMYK. It has no registered color name of its own — the closest is Petrol (#005F6A), very hard to tell apart at ΔE 2.49. White text is the more readable choice on this background.

#155E6A

HEX#155E6A

RGBrgb(21, 94, 106)

HSLhsl(188, 67%, 25%)

HSVhsv(188, 80%, 42%)

CMYKcmyk(80%, 11%, 0%, 58%)

OKLCHoklch(44.5% 0.07 211.3)

LABlab(36.11% -19.05 -13.52)

LCHlch(36.11% 23.36 215.36)

What #155E6A 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 #155E6A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Petrol#005F6AΔE 2.49 Peacock#005F5FΔE 8.36 Midnight Green(eagle Green)#004953ΔE 8.78 Ming#36747DΔE 9.2 Teal Blue#367588ΔE 10.51 Blue Sapphire#126180ΔE 11.81

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

#155E6A Channel Values

How #155E6A 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 21 · G 94 · B 106	8-bit channels as sent to the display
HSL	H 188° · S 67% · L 25%	Easiest model for building lighter and darker variants
HSV	H 188° · S 80% · V 42%	Matches the picker in most design tools
CMYK	C 80% · M 11% · Y 0% · K 58%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	7.39:1 vs white · 2.84:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #155E6A 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 text7.39:1AA normal AA large AAA normal

Fails AABlack text2.84:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #155E6A in the contrast checker.

Colors That Go With #155E6A

Pairings derived from color-wheel relationships. The complementary color sits opposite #155E6A; 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 #155E6A

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 #155E6A.

How #155E6A 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#155E6A

Protanopia#56566A

Protanomaly#455A6A

Deuteranopia#4F4F6B

Deuteranomaly#3F556B

Tritanopia#0B6060

Tritanomaly#105F64

Achromatopsia#565656

Test a full palette in the color blindness simulator.

Using #155E6A in Code

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

CSS custom property--color-155e6a: #155E6A;

CSS backgroundbackground-color: #155E6A;

Tailwind configcolors: { 'color-155e6a': '#155E6A' }

SwiftUIColor(red: 0.082, green: 0.369, blue: 0.416)

Android XML<color name="color_155e6a">#155E6A</color>

SVG fillfill="#155E6A"

More Teal Colors

#155E6A 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

#155E6A Frequently Asked Questions

What color is #155E6A?

#155E6A is a dark teal — rgb(21, 94, 106) in RGB and hsl(188, 67%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Petrol (#005F6A), which is very hard to tell apart at a CIE76 distance of 2.49.

What is the RGB value of #155E6A?

#155E6A is rgb(21, 94, 106) — red 21, green 94, and blue 106 on the 0-255 scale.

What is the CMYK value of #155E6A?

#155E6A converts to approximately cmyk(80%, 11%, 0%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #155E6A be black or white?

White text is the more readable choice. #155E6A scores 7.39:1 against white and 2.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #155E6A as a CSS color keyword?

No. #155E6A 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 darkslategray (#2F4F4F) at a CIE76 distance of 12.75, which is visibly different.

Open #155E6A in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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