Color

#100150

#100150
hex#100150
rgbrgb(16, 1, 80)
hslhsl(251, 98%, 16%)
oklchoklch(0.208 0.128 275.9)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0071

Colors that go with #100150

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#425101

#011a51 · #370151

#510f01 · #01510f

Split-complementary

Open in tool →

#513701 · #1a5101

#51011a · #425101 · #015137

Contrast

#100150 as textRatioAAAA largeAAAFix
Aaon white
18.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #7758fd as the text (4.6:1)
  • AAA: use #9c86fe as the text (7.25:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (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 #100150 as the background.

Brands using this color

Fonts for this mood

#100150 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100150
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #100150 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100150-a89cc4-dfb34e-281f2d-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