Color

#17152d

#17152d
hex#17152d
rgbrgb(23, 21, 45)
hslhsl(245, 36%, 13%)
oklchoklch(0.212 0.046 285.5)
Closest name: Dark Knight (#151931)Relative luminance 0.0091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b2d15

#151f2d · #23152d

#2d1715 · #152d17

Split-complementary

Open in tool →

#2d2315 · #1f2d15

#2d151f · #2b2d15 · #152d23

Contrast

#17152d as textRatioAAAA largeAAAFix
Aaon white
17.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #746dba as the text (4.64:1)
  • AAA: use #9590cb as the text (7.13:1)
  • AA: or shift the background to #808080 (4.5:1)
  • AAA: or shift the background to #a3a3a3 (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 #17152d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#17152d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17152d
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 #17152d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17152d-a49cc4-dfa54e-261f2d-e9ecf1?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