Color

#100452

#100452
hex#100452
rgbrgb(16, 4, 82)
hslhsl(249, 91%, 17%)
oklchoklch(0.215 0.127 275)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0081

Colors that go with #100452

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.

Real palettes that use #100452

Tints & shades

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

Harmonies

Complementary

Open in tool →

#475304

#042053 · #370453

#531004 · #045310

Split-complementary

Open in tool →

#533704 · #205304

#530420 · #475304 · #045337

Contrast

#100452 as textRatioAAAA largeAAAFix
Aaon white
18.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #755ef7 as the text (4.7:1)
  • AAA: use #9785f9 as the text (7.04:1)
  • AA: or shift the background to #808080 (4.58:1)
  • AAA: or shift the background to #a3a3a3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100452 as the background.

Brands using this color

Fonts for this mood

#100452 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100452
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 #100452 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100452-a79cc4-dfae4e-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