#218B8C Color
#218B8C is rgb(33, 139, 140) in RGB, hsl(181, 62%, 34%) in HSL, and about cmyk(76%, 1%, 0%, 45%) in CMYK. It has no registered color name of its own — the closest is Dark Cyan (#008B8B), very hard to tell apart at ΔE 2.79. Black text is the more readable choice on this background.
#218B8Crgb(33, 139, 140)hsl(181, 62%, 34%)hsv(181, 76%, 55%)cmyk(76%, 1%, 0%, 45%)oklch(58.1% 0.091 195.9)lab(52.33% -29.50 -9.45)lch(52.33% 30.97 197.77)What #218B8C 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 #218B8C, 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.
#218B8C Channel Values
How #218B8C 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 33 · G 139 · B 140 | 8-bit channels as sent to the display |
| HSL | H 181° · S 62% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 181° · S 76% · V 55% | Matches the picker in most design tools |
| CMYK | C 76% · M 1% · Y 0% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.09:1 vs white · 5.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #218B8C 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 #218B8C in the contrast checker.
Colors That Go With #218B8C
Pairings derived from color-wheel relationships. The complementary color sits opposite #218B8C; 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 #218B8C
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 #218B8C.
How #218B8C 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.
#218B8C#80808C#67858C#75758E#5E7E8D#208B8B#218B8B#7D7D7DUsing #218B8C in Code
Copy-ready declarations for the places this color usually ends up.
--color-218b8c: #218B8C;background-color: #218B8C;colors: { 'color-218b8c': '#218B8C' }Color(red: 0.129, green: 0.545, blue: 0.549)<color name="color_218b8c">#218B8C</color>fill="#218B8C"More Teal Colors
#218B8C sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#218B8C Frequently Asked Questions
What color is #218B8C?
#218B8C is a dark teal — rgb(33, 139, 140) in RGB and hsl(181, 62%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Dark Cyan (#008B8B), which is very hard to tell apart at a CIE76 distance of 2.79.
What is the RGB value of #218B8C?
#218B8C is rgb(33, 139, 140) — red 33, green 139, and blue 140 on the 0-255 scale.
What is the CMYK value of #218B8C?
#218B8C converts to approximately cmyk(76%, 1%, 0%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #218B8C be black or white?
Black text is the more readable choice. #218B8C scores 4.09:1 against white and 5.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #218B8C as a CSS color keyword?
No. #218B8C 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 darkcyan (#008B8B) at a CIE76 distance of 2.79, which is very hard to tell apart.
Open #218B8C in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.