#173796 Color

#173796 is rgb(23, 55, 150) in RGB, hsl(225, 73%, 34%) in HSL, and about cmyk(85%, 63%, 0%, 41%) in CMYK. It has no registered color name of its own — the closest is Smalt (Dark Powder Blue) (#003399), very hard to tell apart at ΔE 4.92. White text is the more readable choice on this background.

#173796

HEX#173796

RGBrgb(23, 55, 150)

HSLhsl(225, 73%, 34%)

HSVhsv(225, 85%, 59%)

CMYKcmyk(85%, 63%, 0%, 41%)

OKLCHoklch(38.1% 0.16 265)

LABlab(26.09% 18.96 -56.47)

LCHlch(26.09% 59.57 288.56)

What #173796 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 #173796, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Smalt (Dark Powder Blue)#003399ΔE 4.92 Cosmic Cobalt#2E2D88ΔE 7.51 Blue (Pigment)#333399ΔE 7.68 Cobalt Blue#0047ABΔE 8.04 Violet-blue#324AB2ΔE 9.03 Philippine Blue#0038A7ΔE 9.33

Browse the full index of named colors A-Z or every blue in the library.

#173796 Channel Values

How #173796 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 55 · B 150	8-bit channels as sent to the display
HSL	H 225° · S 73% · L 34%	Easiest model for building lighter and darker variants
HSV	H 225° · S 85% · V 59%	Matches the picker in most design tools
CMYK	C 85% · M 63% · Y 0% · K 41%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	10.38:1 vs white · 2.02:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #173796 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.

TextWhite text10.38:1AA normal AA large AAA normal

Fails AABlack text2.02:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #173796 in the contrast checker.

Colors That Go With #173796

Pairings derived from color-wheel relationships. The complementary color sits opposite #173796; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #173796

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #173796.

How #173796 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.

Typical#173796

Protanopia#333396

Protanomaly#2A3596

Deuteranopia#2F2F96

Deuteranomaly#273296

Tritanopia#004C4C

Tritanomaly#004471

Achromatopsia#404040

Test a full palette in the color blindness simulator.

Using #173796 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-173796: #173796;

CSS backgroundbackground-color: #173796;

Tailwind configcolors: { 'color-173796': '#173796' }

SwiftUIColor(red: 0.090, green: 0.216, blue: 0.588)

Android XML<color name="color_173796">#173796</color>

SVG fillfill="#173796"

More Blue Colors

#173796 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

18187b 172436 181c20 162456 182d3e 161664 184fa1 1560bd 190b65 155dfc 191632 154cb2 231e43 333399 446ccf 5a4fcf 708090 8a8aff a69fd5 c5cbe1 e5e8eb 000066 0038a7 0505ff

#173796 Frequently Asked Questions

What color is #173796?

#173796 is a dark blue — rgb(23, 55, 150) in RGB and hsl(225, 73%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Smalt (Dark Powder Blue) (#003399), which is very hard to tell apart at a CIE76 distance of 4.92.

What is the RGB value of #173796?

#173796 is rgb(23, 55, 150) — red 23, green 55, and blue 150 on the 0-255 scale.

What is the CMYK value of #173796?

#173796 converts to approximately cmyk(85%, 63%, 0%, 41%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #173796 be black or white?

White text is the more readable choice. #173796 scores 10.38:1 against white and 2.02:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #173796 as a CSS color keyword?

No. #173796 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 midnightblue (#191970) at a CIE76 distance of 14.3, which is visibly different.

Open #173796 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.