Color

#17003d

#17003d
hex#17003d
rgbrgb(23, 0, 61)
hslhsl(263, 100%, 12%)
oklchoklch(0.187 0.105 290.9)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0052

Tints & shades

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

Harmonies

Complementary

Open in tool →

#263d00

#00073d · #36003d

#3d1700 · #003d17

Split-complementary

Open in tool →

#3d3600 · #073d00

#3d0007 · #263d00 · #003d36

Contrast

#17003d as textRatioAAAA largeAAAFix
Aaon white
19.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #914dff as the text (4.71:1)
  • AAA: use #ad7aff as the text (7:1)
  • AA: or shift the background to #7d7d7d (4.62:1)
  • AAA: or shift the background to #9e9e9e (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17003d 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

#17003d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17003d
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 #17003d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17003d-b09cc4-dfd04e-2b1f2d-e9eaf1?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