#133F39 Color
#133F39 is rgb(19, 63, 57) in RGB, hsl(172, 54%, 16%) in HSL, and about cmyk(70%, 0%, 10%, 75%) in CMYK. It has no registered color name of its own — the closest is MSU Green (#18453B), very hard to tell apart at ΔE 3.55. White text is the more readable choice on this background.
#133F39rgb(19, 63, 57)hsl(172, 54%, 16%)hsv(172, 70%, 25%)cmyk(70%, 0%, 10%, 75%)oklch(33.6% 0.049 182.8)lab(23.53% -16.99 -1.02)lch(23.53% 17.02 183.44)What #133F39 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 #133F39, 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.
#133F39 Channel Values
How #133F39 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 19 · G 63 · B 57 | 8-bit channels as sent to the display |
| HSL | H 172° · S 54% · L 16% | Easiest model for building lighter and darker variants |
| HSV | H 172° · S 70% · V 25% | Matches the picker in most design tools |
| CMYK | C 70% · M 0% · Y 10% · K 75% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.68:1 vs white · 1.8:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133F39 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 #133F39 in the contrast checker.
Colors That Go With #133F39
Pairings derived from color-wheel relationships. The complementary color sits opposite #133F39; 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 #133F39
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 #133F39.
How #133F39 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.
#133F39#3A3A39#2F3C39#35353A#2B393A#153E3E#143F3C#383838Using #133F39 in Code
Copy-ready declarations for the places this color usually ends up.
--color-133f39: #133F39;background-color: #133F39;colors: { 'color-133f39': '#133F39' }Color(red: 0.075, green: 0.247, blue: 0.224)<color name="color_133f39">#133F39</color>fill="#133F39"More Teal Colors
#133F39 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#133F39 Frequently Asked Questions
What color is #133F39?
#133F39 is a darkest teal — rgb(19, 63, 57) in RGB and hsl(172, 54%, 16%) in HSL. It carries no registered color name of its own; the closest named color is MSU Green (#18453B), which is very hard to tell apart at a CIE76 distance of 3.55.
What is the RGB value of #133F39?
#133F39 is rgb(19, 63, 57) — red 19, green 63, and blue 57 on the 0-255 scale.
What is the CMYK value of #133F39?
#133F39 converts to approximately cmyk(70%, 0%, 10%, 75%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133F39 be black or white?
White text is the more readable choice. #133F39 scores 11.68:1 against white and 1.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133F39 as a CSS color keyword?
No. #133F39 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 darkslategray (#2F4F4F) at a CIE76 distance of 9.42, which is clearly related but distinguishable side by side.
Open #133F39 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.