Color

#102e56

#102e56
hex#102e56
rgbrgb(16, 46, 86)
hslhsl(214, 69%, 20%)
oklchoklch(0.303 0.081 256.7)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0274

Colors that go with #102e56

Crimson, Sea Green and Slate 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 →

#563810

#105156 · #151056

#56102e · #2e5610

Split-complementary

Open in tool →

#561510 · #515610

#561051 · #563810 · #105615

Contrast

#102e56 as textRatioAAAA largeAAAFix
Aaon white
13.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #2874d7 as the text (4.57:1)
  • AAA: use #6098e2 as the text (7.09:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bdbdbd (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102e56 as the background.

Brands using this color

Fonts for this mood

#102e56 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102e56
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 #102e56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102e56-9ca9c4-df5a4e-1f1f2d-e9f0f1?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