#3B8A91 Color

#3B8A91 is rgb(59, 138, 145) in RGB, hsl(185, 42%, 40%) in HSL, and about cmyk(59%, 5%, 0%, 43%) in CMYK. It has no registered color name of its own — the closest is Metallic Seaweed (#0A7E8C), clearly related but distinguishable side by side at ΔE 7.39. Black text is the more readable choice on this background.

#3B8A91

HEX#3B8A91

RGBrgb(59, 138, 145)

HSLhsl(185, 42%, 40%)

HSVhsv(185, 59%, 57%)

CMYKcmyk(59%, 5%, 0%, 43%)

OKLCHoklch(58.7% 0.077 203.2)

LABlab(52.85% -23.47 -11.46)

LCHlch(52.85% 26.12 206.03)

What #3B8A91 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 #3B8A91, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Metallic Seaweed#0A7E8CΔE 7.39 Blue Lagoon#4C9C9CΔE 7.71 Teal#008080ΔE 8.81 Dark Cyan#008B8BΔE 9.04 Ming#36747DΔE 9.12 Cadet Blue#5F9EA0ΔE 9.3

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

#3B8A91 Channel Values

How #3B8A91 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 59 · G 138 · B 145	8-bit channels as sent to the display
HSL	H 185° · S 42% · L 40%	Easiest model for building lighter and darker variants
HSV	H 185° · S 59% · V 57%	Matches the picker in most design tools
CMYK	C 59% · M 5% · Y 0% · K 43%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	4.02:1 vs white · 5.23:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3B8A91 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.

Fails AAWhite text4.02:1AA normal AA large AAA normal

TextBlack text5.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3B8A91 in the contrast checker.

Colors That Go With #3B8A91

Pairings derived from color-wheel relationships. The complementary color sits opposite #3B8A91; 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 #3B8A91

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 #3B8A91.

How #3B8A91 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#3B8A91

Protanopia#818191

Protanomaly#6B8491

Deuteranopia#777792

Deuteranomaly#647F92

Tritanopia#388B8B

Tritanomaly#398B8D

Achromatopsia#7F7F7F

Test a full palette in the color blindness simulator.

Using #3B8A91 in Code

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

CSS custom property--color-3b8a91: #3B8A91;

CSS backgroundbackground-color: #3B8A91;

Tailwind configcolors: { 'color-3b8a91': '#3B8A91' }

SwiftUIColor(red: 0.231, green: 0.541, blue: 0.569)

Android XML<color name="color_3b8a91">#3B8A91</color>

SVG fillfill="#3B8A91"

More Teal Colors

#3B8A91 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

#3B8A91 Frequently Asked Questions

What color is #3B8A91?

#3B8A91 is a mid-tone teal — rgb(59, 138, 145) in RGB and hsl(185, 42%, 40%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Seaweed (#0A7E8C), which is clearly related but distinguishable side by side at a CIE76 distance of 7.39.

What is the RGB value of #3B8A91?

#3B8A91 is rgb(59, 138, 145) — red 59, green 138, and blue 145 on the 0-255 scale.

What is the CMYK value of #3B8A91?

#3B8A91 converts to approximately cmyk(59%, 5%, 0%, 43%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3B8A91 be black or white?

Black text is the more readable choice. #3B8A91 scores 4.02:1 against white and 5.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3B8A91 as a CSS color keyword?

No. #3B8A91 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 teal (#008080) at a CIE76 distance of 8.81, which is clearly related but distinguishable side by side.

Open #3B8A91 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.