#2A8183 Color
#2A8183 is rgb(42, 129, 131) in RGB, hsl(181, 51%, 34%) in HSL, and about cmyk(68%, 2%, 0%, 49%) in CMYK. It has no registered color name of its own — the closest is Teal (#008080), very hard to tell apart at ΔE 4.63. White text is the more readable choice on this background.
#2A8183rgb(42, 129, 131)hsl(181, 51%, 34%)hsv(181, 68%, 51%)cmyk(68%, 2%, 0%, 49%)oklch(55.4% 0.081 197.3)lab(49.04% -25.88 -9.08)lch(49.04% 27.43 199.33)What #2A8183 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 #2A8183, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every teal in the library.
#2A8183 Channel Values
How #2A8183 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 42 · G 129 · B 131 | 8-bit channels as sent to the display |
| HSL | H 181° · S 51% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 181° · S 68% · V 51% | Matches the picker in most design tools |
| CMYK | C 68% · M 2% · Y 0% · K 49% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.6:1 vs white · 4.57:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #2A8183 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.
Need a specific ratio against another background? Open #2A8183 in the contrast checker.
Colors That Go With #2A8183
Pairings derived from color-wheel relationships. The complementary color sits opposite #2A8183; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #2A8183
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #2A8183.
How #2A8183 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.
#2A8183#777783#627B83#6E6E84#5A7684#298181#298182#757575Using #2A8183 in Code
Copy-ready declarations for the places this color usually ends up.
--color-2a8183: #2A8183;background-color: #2A8183;colors: { 'color-2a8183': '#2A8183' }Color(red: 0.165, green: 0.506, blue: 0.514)<color name="color_2a8183">#2A8183</color>fill="#2A8183"More Teal Colors
#2A8183 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#2A8183 Frequently Asked Questions
What color is #2A8183?
#2A8183 is a dark teal — rgb(42, 129, 131) in RGB and hsl(181, 51%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Teal (#008080), which is very hard to tell apart at a CIE76 distance of 4.63.
What is the RGB value of #2A8183?
#2A8183 is rgb(42, 129, 131) — red 42, green 129, and blue 131 on the 0-255 scale.
What is the CMYK value of #2A8183?
#2A8183 converts to approximately cmyk(68%, 2%, 0%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #2A8183 be black or white?
White text is the more readable choice. #2A8183 scores 4.6:1 against white and 4.57:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #2A8183 as a CSS color keyword?
No. #2A8183 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 4.63, which is very hard to tell apart.
Open #2A8183 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.