#172436 Color

#172436 is rgb(23, 36, 54) in RGB, hsl(215, 40%, 15%) in HSL, and about cmyk(57%, 33%, 0%, 79%) in CMYK. It has no registered color name of its own — the closest is Deep Navy (#0B1F3A), clearly related but distinguishable side by side at ΔE 7.1. White text is the more readable choice on this background.

#172436

HEX#172436

RGBrgb(23, 36, 54)

HSLhsl(215, 40%, 15%)

HSVhsv(215, 57%, 21%)

CMYKcmyk(57%, 33%, 0%, 79%)

OKLCHoklch(25.8% 0.039 256.7)

LABlab(13.70% -1.01 -13.67)

LCHlch(13.70% 13.71 265.76)

What #172436 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 #172436, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Deep Navy#0B1F3AΔE 7.1 Gunmetal#2A3439ΔE 11.79 Maastricht Blue#001C3DΔE 11.89 Raisin Black#242124ΔE 12.56 Traffic Black#2A2D2FΔE 12.72 Charcoal Black#232B2BΔE 13.07

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

#172436 Channel Values

How #172436 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 36 · B 54	8-bit channels as sent to the display
HSL	H 215° · S 40% · L 15%	Easiest model for building lighter and darker variants
HSV	H 215° · S 57% · V 21%	Matches the picker in most design tools
CMYK	C 57% · M 33% · Y 0% · K 79%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	15.65:1 vs white · 1.34:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #172436 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 text15.65:1AA normal AA large AAA normal

Fails AABlack text1.34:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #172436 in the contrast checker.

Colors That Go With #172436

Pairings derived from color-wheel relationships. The complementary color sits opposite #172436; 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 #172436

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 #172436.

How #172436 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#172436

Protanopia#222236

Protanomaly#1E2336

Deuteranopia#202036

Deuteranomaly#1D2236

Tritanopia#122727

Tritanomaly#14262E

Achromatopsia#232323

Test a full palette in the color blindness simulator.

Using #172436 in Code

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

CSS custom property--color-172436: #172436;

CSS backgroundbackground-color: #172436;

Tailwind configcolors: { 'color-172436': '#172436' }

SwiftUIColor(red: 0.090, green: 0.141, blue: 0.212)

Android XML<color name="color_172436">#172436</color>

SVG fillfill="#172436"

More Blue Colors

#172436 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

173796 162456 18187b 161664 181c20 1560bd 182d3e 155dfc 184fa1 154cb2 190b65 1447e6 23108e 333366 436b95 5959de 7070ff 897fc7 a69de1 c4e7fd e5e7eb 000061 00356b 05051a

#172436 Frequently Asked Questions

What color is #172436?

#172436 is a darkest blue — rgb(23, 36, 54) in RGB and hsl(215, 40%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Deep Navy (#0B1F3A), which is clearly related but distinguishable side by side at a CIE76 distance of 7.1.

What is the RGB value of #172436?

#172436 is rgb(23, 36, 54) — red 23, green 36, and blue 54 on the 0-255 scale.

What is the CMYK value of #172436?

#172436 converts to approximately cmyk(57%, 33%, 0%, 79%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #172436 be black or white?

White text is the more readable choice. #172436 scores 15.65:1 against white and 1.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #172436 as a CSS color keyword?

No. #172436 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 black (#000000) at a CIE76 distance of 19.38, which is visibly different.

Open #172436 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.