Color

#101e60

#101e60
hex#101e60
rgbrgb(16, 30, 96)
hslhsl(230, 71%, 22%)
oklchoklch(0.274 0.118 268)
Closest name: Black Sea Night (#052462)Relative luminance 0.0188

Colors that go with #101e60

Charcoal, Steel Blue and Amber 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 →

#605310

#104560 · #2b1060

#60101e · #1e6010

Split-complementary

Open in tool →

#602b10 · #456010

#601045 · #605310 · #10602b

Contrast

#101e60 as textRatioAAAA largeAAAFix
Aaon white
15.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #556ce2 as the text (4.63:1)
  • AAA: use #8192ea as the text (7.23:1)
  • AA: or shift the background to #8c8c8c (4.54:1)
  • 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 #101e60 as the background.

Brands using this color

Fonts for this mood

#101e60 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101e60
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 #101e60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101e60-9c9ec4-df814e-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