Color

#100387

#100387
hex#100387
rgbrgb(16, 3, 135)
hslhsl(246, 96%, 27%)
oklchoklch(0.29 0.19 268.4)
Closest name: darkblue (#00008b)Relative luminance 0.0192

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a8703

#033887 · #520387

#871003 · #038710

Split-complementary

Open in tool →

#875203 · #388703

#870338 · #7a8703 · #038752

Contrast

#100387 as textRatioAAAA largeAAAFix
Aaon white
15.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #6f5ffc as the text (4.72:1)
  • AAA: use #9387fd as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100387 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

#100387 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100387
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 #100387 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100387-a59cc4-dfa74e-271f2d-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