#138B87 Color
#138B87 is rgb(19, 139, 135) in RGB, hsl(178, 76%, 31%) in HSL, and about cmyk(86%, 0%, 3%, 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 2.41. Black text is the more readable choice on this background.
#138B87rgb(19, 139, 135)hsl(178, 76%, 31%)hsv(178, 86%, 55%)cmyk(86%, 0%, 3%, 45%)oklch(57.7% 0.096 191.2)lab(51.98% -32.13 -7.12)lch(51.98% 32.91 192.49)What #138B87 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 #138B87, 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.
#138B87 Channel Values
How #138B87 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 139 · B 135 | 8-bit channels as sent to the display |
| HSL | H 178° · S 76% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 178° · S 86% · V 55% | Matches the picker in most design tools |
| CMYK | C 86% · M 0% · Y 3% · K 45% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.14:1 vs white · 5.07:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #138B87 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 #138B87 in the contrast checker.
Colors That Go With #138B87
Pairings derived from color-wheel relationships. The complementary color sits opposite #138B87; 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 #138B87
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 #138B87.
How #138B87 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.
#138B87#808087#668487#747489#5C7E88#178B8B#158B89#7D7D7DUsing #138B87 in Code
Copy-ready declarations for the places this color usually ends up.
--color-138b87: #138B87;background-color: #138B87;colors: { 'color-138b87': '#138B87' }Color(red: 0.075, green: 0.545, blue: 0.529)<color name="color_138b87">#138B87</color>fill="#138B87"More Teal Colors
#138B87 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#138B87 Frequently Asked Questions
What color is #138B87?
#138B87 is a dark teal — rgb(19, 139, 135) in RGB and hsl(178, 76%, 31%) 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 2.41.
What is the RGB value of #138B87?
#138B87 is rgb(19, 139, 135) — red 19, green 139, and blue 135 on the 0-255 scale.
What is the CMYK value of #138B87?
#138B87 converts to approximately cmyk(86%, 0%, 3%, 45%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #138B87 be black or white?
Black text is the more readable choice. #138B87 scores 4.14:1 against white and 5.07:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #138B87 as a CSS color keyword?
No. #138B87 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 2.41, which is very hard to tell apart.
Open #138B87 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.