Color

#100481

#100481
hex#100481
rgbrgb(16, 4, 129)
hslhsl(246, 94%, 26%)
oklchoklch(0.282 0.182 268.8)
Closest name: Navy Blue (#000080)Relative luminance 0.0178

Colors that go with #100481

Steel Blue, Charcoal and Cobalt 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 →

#748104

#043681 · #4f0481

#811004 · #048110

Split-complementary

Open in tool →

#814f04 · #368104

#810436 · #748104 · #04814f

Contrast

#100481 as textRatioAAAA largeAAAFix
Aaon white
15.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #6c5cfa as the text (4.55:1)
  • AAA: use #9488fb as the text (7.17:1)
  • AA: or shift the background to #8c8c8c (4.6:1)
  • AAA: or shift the background to #b0b0b0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100481 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

#100481 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100481
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 #100481 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100481-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