Color

#100561

#100561
hex#100561
rgbrgb(16, 5, 97)
hslhsl(247, 90%, 20%)
oklchoklch(0.238 0.145 272.2)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#566105

#052861 · #3e0561

#611005 · #056110

Split-complementary

Open in tool →

#613e05 · #286105

#610528 · #566105 · #05613e

Contrast

#100561 as textRatioAAAA largeAAAFix
Aaon white
17.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #715ff7 as the text (4.68:1)
  • AAA: use #9386f9 as the text (7.02:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100561 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

#100561 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100561
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 #100561 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100561-a59cc4-dfaa4e-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