Color

#172d45

#172d45
hex#172d45
rgbrgb(23, 45, 69)
hslhsl(211, 50%, 18%)
oklchoklch(0.292 0.052 251.9)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0249

Tints & shades

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

Harmonies

Complementary

Open in tool →

#452f17

#174445 · #181745

#45172d · #2d4517

Split-complementary

Open in tool →

#451817 · #444517

#451744 · #452f17 · #174518

Contrast

#172d45 as textRatioAAAA largeAAAFix
Aaon white
14.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #3d78b8 as the text (4.58:1)
  • AAA: use #6a9acd as the text (7.12:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172d45 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

#172d45 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172d45
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 #172d45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172d45-9cabc4-df534e-1f202d-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