#158B9D Color
#158B9D is rgb(21, 139, 157) in RGB, hsl(188, 76%, 35%) in HSL, and about cmyk(87%, 11%, 0%, 38%) in CMYK. It has no registered color name of its own — the closest is Zircon Blue (#00849D), very hard to tell apart at ΔE 4.9. Black text is the more readable choice on this background.
#158B9Drgb(21, 139, 157)hsl(188, 76%, 35%)hsv(188, 87%, 62%)cmyk(87%, 11%, 0%, 38%)oklch(58.6% 0.098 211.3)lab(52.64% -26.40 -18.78)lch(52.64% 32.39 215.43)What #158B9D 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 #158B9D, 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.
#158B9D Channel Values
How #158B9D 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 21 · G 139 · B 157 | 8-bit channels as sent to the display |
| HSL | H 188° · S 76% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 188° · S 87% · V 62% | Matches the picker in most design tools |
| CMYK | C 87% · M 11% · Y 0% · K 38% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.03:1 vs white · 5.21:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #158B9D 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 #158B9D in the contrast checker.
Colors That Go With #158B9D
Pairings derived from color-wheel relationships. The complementary color sits opposite #158B9D; 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 #158B9D
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 #158B9D.
How #158B9D 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.
#158B9D#80809D#66849D#74749E#5C7E9E#008D8D#058C94#7F7F7FUsing #158B9D in Code
Copy-ready declarations for the places this color usually ends up.
--color-158b9d: #158B9D;background-color: #158B9D;colors: { 'color-158b9d': '#158B9D' }Color(red: 0.082, green: 0.545, blue: 0.616)<color name="color_158b9d">#158B9D</color>fill="#158B9D"More Teal Colors
#158B9D sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#158B9D Frequently Asked Questions
What color is #158B9D?
#158B9D is a dark teal — rgb(21, 139, 157) in RGB and hsl(188, 76%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Zircon Blue (#00849D), which is very hard to tell apart at a CIE76 distance of 4.9.
What is the RGB value of #158B9D?
#158B9D is rgb(21, 139, 157) — red 21, green 139, and blue 157 on the 0-255 scale.
What is the CMYK value of #158B9D?
#158B9D converts to approximately cmyk(87%, 11%, 0%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #158B9D be black or white?
Black text is the more readable choice. #158B9D scores 4.03:1 against white and 5.21:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #158B9D as a CSS color keyword?
No. #158B9D 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 10.98, which is visibly different.
Open #158B9D in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.