#27818B Color
#27818B is rgb(39, 129, 139) in RGB, hsl(186, 56%, 35%) in HSL, and about cmyk(72%, 7%, 0%, 45%) in CMYK. It has no registered color name of its own — the closest is Metallic Seaweed (#0A7E8C), very hard to tell apart at ΔE 3.42. Black text is the more readable choice on this background.
#27818Brgb(39, 129, 139)hsl(186, 56%, 35%)hsv(186, 72%, 55%)cmyk(72%, 7%, 0%, 45%)oklch(55.6% 0.083 205.8)lab(49.20% -24.42 -13.52)lch(49.20% 27.91 208.97)What #27818B 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 #27818B, 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.
#27818B Channel Values
How #27818B 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 39 · G 129 · B 139 | 8-bit channels as sent to the display |
| HSL | H 186° · S 56% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 186° · S 72% · V 55% | Matches the picker in most design tools |
| CMYK | C 72% · M 7% · Y 0% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.57:1 vs white · 4.6:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #27818B 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 #27818B in the contrast checker.
Colors That Go With #27818B
Pairings derived from color-wheel relationships. The complementary color sits opposite #27818B; 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 #27818B
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 #27818B.
How #27818B 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.
#27818B#77778B#617B8B#6D6D8C#59768C#218282#248286#767676Using #27818B in Code
Copy-ready declarations for the places this color usually ends up.
--color-27818b: #27818B;background-color: #27818B;colors: { 'color-27818b': '#27818B' }Color(red: 0.153, green: 0.506, blue: 0.545)<color name="color_27818b">#27818B</color>fill="#27818B"More Teal Colors
#27818B sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#27818B Frequently Asked Questions
What color is #27818B?
#27818B is a dark teal — rgb(39, 129, 139) in RGB and hsl(186, 56%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Seaweed (#0A7E8C), which is very hard to tell apart at a CIE76 distance of 3.42.
What is the RGB value of #27818B?
#27818B is rgb(39, 129, 139) — red 39, green 129, and blue 139 on the 0-255 scale.
What is the CMYK value of #27818B?
#27818B converts to approximately cmyk(72%, 7%, 0%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #27818B be black or white?
Black text is the more readable choice. #27818B scores 4.57:1 against white and 4.6:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #27818B as a CSS color keyword?
No. #27818B 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 7.6, which is clearly related but distinguishable side by side.
Open #27818B in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.