Color

#172f5e

#172f5e
hex#172f5e
rgbrgb(23, 47, 94)
hslhsl(220, 61%, 23%)
oklchoklch(0.314 0.089 262.2)
Closest name: Marine (#042e60)Relative luminance 0.0302

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e4717

#17535e · #23175e

#5e172f · #2f5e17

Split-complementary

Open in tool →

#5e2317 · #535e17

#5e1753 · #5e4717 · #175e23

Contrast

#172f5e as textRatioAAAA largeAAAFix
Aaon white
13.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #4272d1 as the text (4.56:1)
  • AAA: use #7397dd as the text (7.2:1)
  • AA: or shift the background to #999999 (4.59:1)
  • AAA: or shift the background to #bfbfbf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172f5e as the background.

Brands using this color

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

Fonts for this mood

#172f5e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172f5e
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 #172f5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172f5e-9ca5c4-df694e-211f2d-e9f0f1?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