#172E30 Color
#172E30 is rgb(23, 46, 48) in RGB, hsl(185, 35%, 14%) in HSL, and about cmyk(52%, 4%, 0%, 81%) in CMYK. It has no registered color name of its own — the closest is Charcoal Black (#232B2B), clearly related but distinguishable side by side at ΔE 6.16. White text is the more readable choice on this background.
#172E30rgb(23, 46, 48)hsl(185, 35%, 14%)hsv(185, 52%, 19%)cmyk(52%, 4%, 0%, 81%)oklch(28.3% 0.029 202.8)lab(17.12% -8.95 -4.29)lch(17.12% 9.93 205.62)What #172E30 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 #172E30, 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.
#172E30 Channel Values
How #172E30 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 23 · G 46 · B 48 | 8-bit channels as sent to the display |
| HSL | H 185° · S 35% · L 14% | Easiest model for building lighter and darker variants |
| HSV | H 185° · S 52% · V 19% | Matches the picker in most design tools |
| CMYK | C 52% · M 4% · Y 0% · K 81% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.29:1 vs white · 1.47:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #172E30 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 #172E30 in the contrast checker.
Colors That Go With #172E30
Pairings derived from color-wheel relationships. The complementary color sits opposite #172E30; 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 #172E30
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 #172E30.
How #172E30 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.
#172E30#2B2B30#242C30#282830#222A30#162E2E#172E2F#2A2A2AUsing #172E30 in Code
Copy-ready declarations for the places this color usually ends up.
--color-172e30: #172E30;background-color: #172E30;colors: { 'color-172e30': '#172E30' }Color(red: 0.090, green: 0.180, blue: 0.188)<color name="color_172e30">#172E30</color>fill="#172E30"More Teal Colors
#172E30 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#172E30 Frequently Asked Questions
What color is #172E30?
#172E30 is a darkest teal — rgb(23, 46, 48) in RGB and hsl(185, 35%, 14%) in HSL. It carries no registered color name of its own; the closest named color is Charcoal Black (#232B2B), which is clearly related but distinguishable side by side at a CIE76 distance of 6.16.
What is the RGB value of #172E30?
#172E30 is rgb(23, 46, 48) — red 23, green 46, and blue 48 on the 0-255 scale.
What is the CMYK value of #172E30?
#172E30 converts to approximately cmyk(52%, 4%, 0%, 81%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #172E30 be black or white?
White text is the more readable choice. #172E30 scores 14.29:1 against white and 1.47:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #172E30 as a CSS color keyword?
No. #172E30 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 14.41, which is visibly different.
Open #172E30 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.