Color

#172e40

#172e40
hex#172e40
rgbrgb(23, 46, 64)
hslhsl(206, 47%, 17%)
oklchoklch(0.291 0.044 243.7)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0251

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#402917

#17403d · #171a40

#40172e · #2e4017

Split-complementary

Open in tool →

#40171a · #403d17

#3d1740 · #402917 · #1a4017

Contrast

#172e40 as textRatioAAAA largeAAAFix
Aaon white
13.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #3d7aa9 as the text (4.56:1)
  • AAA: use #629bc6 as the text (7.02:1)
  • AA: or shift the background to #949494 (4.61:1)
  • AAA: or shift the background to #b8b8b8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172e40 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#172e40 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172e40
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #172e40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172e40-9caec4-df4e56-1f212d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md