#172935 Color
#172935 is rgb(23, 41, 53) in RGB, hsl(204, 39%, 15%) in HSL, and about cmyk(57%, 23%, 0%, 79%) in CMYK. It has no registered color name of its own — the closest is Gunmetal (#2A3439), clearly related but distinguishable side by side at ΔE 7.92. White text is the more readable choice on this background.
#172935rgb(23, 41, 53)hsl(204, 39%, 15%)hsv(204, 57%, 21%)cmyk(57%, 23%, 0%, 79%)oklch(27.1% 0.033 238.8)lab(15.47% -4.56 -10.26)lch(15.47% 11.23 246.03)What #172935 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 #172935, 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 blue in the library.
#172935 Channel Values
How #172935 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 41 · B 53 | 8-bit channels as sent to the display |
| HSL | H 204° · S 39% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 204° · S 57% · V 21% | Matches the picker in most design tools |
| CMYK | C 57% · M 23% · Y 0% · K 79% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.95:1 vs white · 1.41:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #172935 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 #172935 in the contrast checker.
Colors That Go With #172935
Pairings derived from color-wheel relationships. The complementary color sits opposite #172935; 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 #172935
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 #172935.
How #172935 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.
#172935#272735#212835#242435#1F2635#142B2B#152A2F#272727Using #172935 in Code
Copy-ready declarations for the places this color usually ends up.
--color-172935: #172935;background-color: #172935;colors: { 'color-172935': '#172935' }Color(red: 0.090, green: 0.161, blue: 0.208)<color name="color_172935">#172935</color>fill="#172935"More Blue Colors
#172935 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#172935 Frequently Asked Questions
What color is #172935?
#172935 is a darkest blue — rgb(23, 41, 53) in RGB and hsl(204, 39%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Gunmetal (#2A3439), which is clearly related but distinguishable side by side at a CIE76 distance of 7.92.
What is the RGB value of #172935?
#172935 is rgb(23, 41, 53) — red 23, green 41, and blue 53 on the 0-255 scale.
What is the CMYK value of #172935?
#172935 converts to approximately cmyk(57%, 23%, 0%, 79%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #172935 be black or white?
White text is the more readable choice. #172935 scores 14.95:1 against white and 1.41:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #172935 as a CSS color keyword?
No. #172935 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 18.57, which is visibly different.
Open #172935 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.