Color

#274b53

#274b53
hex#274b53
rgbrgb(39, 75, 83)
hslhsl(191, 36%, 24%)
oklchoklch(0.389 0.044 213.7)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0609

Colors that go with #274b53

Steel Blue, Teal and Sienna 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 →

#532f27

#275345 · #273553

#53274b · #4b5327

Split-complementary

Open in tool →

#532735 · #534527

#452753 · #532f27 · #355327

Contrast

#274b53 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #417d8b as the text (4.53:1)
  • AAA: use #59a1b1 as the text (7.16:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274b53 as the background.

Brands using this color

Fonts for this mood

#274b53 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274b53
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 #274b53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274b53-a2b6be-df4e7a-1f252d-e9f1ef?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