#289591 Color
#289591 is rgb(40, 149, 145) in RGB, hsl(178, 58%, 37%) in HSL, and about cmyk(73%, 0%, 3%, 42%) in CMYK. It has no registered color name of its own — the closest is Viridian Green (#009698), very hard to tell apart at ΔE 4.42. Black text is the more readable choice on this background.
#289591rgb(40, 149, 145)hsl(178, 58%, 37%)hsv(178, 73%, 58%)cmyk(73%, 0%, 3%, 42%)oklch(61% 0.095 191.3)lab(55.82% -31.70 -7.13)lch(55.82% 32.49 192.69)What #289591 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 #289591, 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.
#289591 Channel Values
How #289591 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 40 · G 149 · B 145 | 8-bit channels as sent to the display |
| HSL | H 178° · S 58% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 73% · V 58% | Matches the picker in most design tools |
| CMYK | C 73% · M 0% · Y 3% · K 42% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.62:1 vs white · 5.8:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #289591 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 #289591 in the contrast checker.
Colors That Go With #289591
Pairings derived from color-wheel relationships. The complementary color sits opposite #289591; 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 #289591
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 #289591.
How #289591 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.
#289591#8A8A91#6F8E91#7E7E93#668892#2A9595#299593#868686Using #289591 in Code
Copy-ready declarations for the places this color usually ends up.
--color-289591: #289591;background-color: #289591;colors: { 'color-289591': '#289591' }Color(red: 0.157, green: 0.584, blue: 0.569)<color name="color_289591">#289591</color>fill="#289591"More Teal Colors
#289591 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#289591 Frequently Asked Questions
What color is #289591?
#289591 is a dark teal — rgb(40, 149, 145) in RGB and hsl(178, 58%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Viridian Green (#009698), which is very hard to tell apart at a CIE76 distance of 4.42.
What is the RGB value of #289591?
#289591 is rgb(40, 149, 145) — red 40, green 149, and blue 145 on the 0-255 scale.
What is the CMYK value of #289591?
#289591 converts to approximately cmyk(73%, 0%, 3%, 42%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #289591 be black or white?
Black text is the more readable choice. #289591 scores 3.62:1 against white and 5.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #289591 as a CSS color keyword?
No. #289591 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 4.61, which is very hard to tell apart.
Open #289591 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.