Color

#17243f

#17243f
hex#17243f
rgbrgb(23, 36, 63)
hslhsl(220, 47%, 17%)
oklchoklch(0.264 0.054 263.6)
Closest name: Dark Eclipse (#112244)Relative luminance 0.018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#403217

#173940 · #1e1740

#401725 · #254017

Split-complementary

Open in tool →

#401e17 · #394017

#401739 · #403217 · #17401e

Contrast

#17243f as textRatioAAAA largeAAAFix
Aaon white
15.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #4f74bf as the text (4.58:1)
  • AAA: use #7c98d0 as the text (7.26:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (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 #17243f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#17243f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17243f
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 #17243f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17243f-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