Color

#274c4e

#274c4e
hex#274c4e
rgbrgb(39, 76, 78)
hslhsl(183, 33%, 23%)
oklchoklch(0.39 0.043 200.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0615

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4e2927

#274e3d · #27394e

#4e274c · #4c4e27

Split-complementary

Open in tool →

#4e2739 · #4e3d27

#3d274e · #4e2927 · #394e27

Contrast

#274c4e as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #417e81 as the text (4.53:1)
  • AAA: use #54a2a6 as the text (7.1:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #274c4e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#274c4e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #274c4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #274c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/274c4e-a2b9be-d4598e-1f262d-e9f1ee?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