Color

#102c50

#102c50
hex#102c50
rgbrgb(16, 44, 80)
hslhsl(214, 67%, 19%)
oklchoklch(0.293 0.074 256)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0249

Colors that go with #102c50

Charcoal, Firebrick and Sea Green 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 →

#513510

#104d51 · #141051

#51102c · #2c5110

Split-complementary

Open in tool →

#511410 · #4d5110

#51104d · #513510 · #105114

Contrast

#102c50 as textRatioAAAA largeAAAFix
Aaon white
14.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #2a74d5 as the text (4.56:1)
  • AAA: use #6198e0 as the text (7.08:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102c50 as the background.

Brands using this color

Fonts for this mood

#102c50 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102c50
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 #102c50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102c50-9ca9c4-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