Color

#10107a

#10107a
hex#10107a
rgbrgb(16, 16, 122)
hslhsl(240, 77%, 27%)
oklchoklch(0.283 0.167 269)
Closest name: midnightblue (#191970)Relative luminance 0.0189

Colors that go with #10107a

Charcoal, Crimson 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 →

#7a7a10

#10457a · #45107a

#7a1010 · #107a10

Split-complementary

Open in tool →

#7a4510 · #457a10

#7a1045 · #7a7a10 · #107a45

Contrast

#10107a as textRatioAAAA largeAAAFix
Aaon white
15.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #6666eb as the text (4.67:1)
  • AAA: use #8e8ef0 as the text (7.28:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10107a 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

#10107a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10107a
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 #10107a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10107a-a19cc4-df994e-251f2d-e9edf1?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