#163DB1 Color
#163DB1 is rgb(22, 61, 177) in RGB, hsl(225, 78%, 39%) in HSL, and about cmyk(88%, 66%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Denim Blue (#2243B6), very hard to tell apart at ΔE 2.8. White text is the more readable choice on this background.
#163DB1rgb(22, 61, 177)hsl(225, 78%, 39%)hsv(225, 88%, 69%)cmyk(88%, 66%, 0%, 31%)oklch(41.8% 0.189 264.7)lab(29.88% 24.20 -66.53)lch(29.88% 70.79 289.99)What #163DB1 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 #163DB1, 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.
#163DB1 Channel Values
How #163DB1 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 22 · G 61 · B 177 | 8-bit channels as sent to the display |
| HSL | H 225° · S 78% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 225° · S 88% · V 69% | Matches the picker in most design tools |
| CMYK | C 88% · M 66% · Y 0% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.99:1 vs white · 2.34:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #163DB1 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 #163DB1 in the contrast checker.
Colors That Go With #163DB1
Pairings derived from color-wheel relationships. The complementary color sits opposite #163DB1; 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 #163DB1
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 #163DB1.
How #163DB1 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.
#163DB1#3838B1#2E3AB1#3434B1#2A38B1#005757#004E85#494949Using #163DB1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-163db1: #163DB1;background-color: #163DB1;colors: { 'color-163db1': '#163DB1' }Color(red: 0.086, green: 0.239, blue: 0.694)<color name="color_163db1">#163DB1</color>fill="#163DB1"More Blue Colors
#163DB1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#163DB1 Frequently Asked Questions
What color is #163DB1?
#163DB1 is a dark blue — rgb(22, 61, 177) in RGB and hsl(225, 78%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Denim Blue (#2243B6), which is very hard to tell apart at a CIE76 distance of 2.8.
What is the RGB value of #163DB1?
#163DB1 is rgb(22, 61, 177) — red 22, green 61, and blue 177 on the 0-255 scale.
What is the CMYK value of #163DB1?
#163DB1 converts to approximately cmyk(88%, 66%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #163DB1 be black or white?
White text is the more readable choice. #163DB1 scores 8.99:1 against white and 2.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #163DB1 as a CSS color keyword?
No. #163DB1 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 slateblue (#6A5ACD) at a CIE76 distance of 17.51, which is visibly different.
Open #163DB1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.