Color

#274453

#274453
hex#274453
rgbrgb(39, 68, 83)
hslhsl(200, 36%, 24%)
oklchoklch(0.37 0.043 232.2)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0519

Colors that go with #274453

Dark Olive Green, Royal Blue and Teal 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 →

#533627

#27534c · #272f53

#532745 · #455327

Split-complementary

Open in tool →

#53272f · #534c27

#4c2753 · #533627 · #2f5327

Contrast

#274453 as textRatioAAAA largeAAAFix
Aaon white
10.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #467b95 as the text (4.53:1)
  • AAA: use #669cb7 as the text (7:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274453 as the background.

Brands using this color

Fonts for this mood

#274453 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274453
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 #274453 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274453-9cb2c4-df4e64-1f232d-e9f1f0?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