Color

#101e7a

#101e7a
hex#101e7a
rgbrgb(16, 30, 122)
hslhsl(232, 77%, 27%)
oklchoklch(0.303 0.154 267.6)
Closest name: midnightblue (#191970)Relative luminance 0.0244

Colors that go with #101e7a

Charcoal, Steel Blue and 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 →

#7a6c10

#10537a · #37107a

#7a101e · #1e7a10

Split-complementary

Open in tool →

#7a3710 · #537a10

#7a1053 · #7a6c10 · #107a37

Contrast

#101e7a as textRatioAAAA largeAAAFix
Aaon white
14.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #586be9 as the text (4.69:1)
  • AAA: use #818fef as the text (7.11:1)
  • AA: or shift the background to #949494 (4.65:1)
  • AAA: or shift the background to #b8b8b8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101e7a as the background.

Brands using this color

Fonts for this mood

#101e7a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101e7a
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 #101e7a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101e7a-9c9dc4-df864e-231f2d-e9eef1?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