#338E81 Color
#338E81 is rgb(51, 142, 129) in RGB, hsl(171, 47%, 38%) in HSL, and about cmyk(64%, 0%, 9%, 44%) in CMYK. It has no registered color name of its own — the closest is Illuminating Emerald (#319177), clearly related but distinguishable side by side at ΔE 7.64. Black text is the more readable choice on this background.
#338E81rgb(51, 142, 129)hsl(171, 47%, 38%)hsv(171, 64%, 56%)cmyk(64%, 0%, 9%, 44%)oklch(58.9% 0.088 182.1)lab(53.45% -30.43 -1.43)lch(53.45% 30.46 182.69)What #338E81 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 #338E81, 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.
#338E81 Channel Values
How #338E81 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 51 · G 142 · B 129 | 8-bit channels as sent to the display |
| HSL | H 171° · S 47% · L 38% | Easiest model for building lighter and darker variants |
| HSV | H 171° · S 64% · V 56% | Matches the picker in most design tools |
| CMYK | C 64% · M 0% · Y 9% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.94:1 vs white · 5.33:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #338E81 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 #338E81 in the contrast checker.
Colors That Go With #338E81
Pairings derived from color-wheel relationships. The complementary color sits opposite #338E81; 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 #338E81
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 #338E81.
How #338E81 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.
#338E81#848481#6C8881#797983#648282#388C8C#368D88#808080Using #338E81 in Code
Copy-ready declarations for the places this color usually ends up.
--color-338e81: #338E81;background-color: #338E81;colors: { 'color-338e81': '#338E81' }Color(red: 0.200, green: 0.557, blue: 0.506)<color name="color_338e81">#338E81</color>fill="#338E81"More Teal Colors
#338E81 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#338E81 Frequently Asked Questions
What color is #338E81?
#338E81 is a dark teal — rgb(51, 142, 129) in RGB and hsl(171, 47%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Illuminating Emerald (#319177), which is clearly related but distinguishable side by side at a CIE76 distance of 7.64.
What is the RGB value of #338E81?
#338E81 is rgb(51, 142, 129) — red 51, green 142, and blue 129 on the 0-255 scale.
What is the CMYK value of #338E81?
#338E81 converts to approximately cmyk(64%, 0%, 9%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #338E81 be black or white?
Black text is the more readable choice. #338E81 scores 3.94:1 against white and 5.33:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #338E81 as a CSS color keyword?
No. #338E81 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 8.44, which is clearly related but distinguishable side by side.
Open #338E81 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.