Color

#2b504e

#2b504e
hex#2b504e
rgbrgb(43, 80, 78)
hslhsl(177, 30%, 24%)
oklchoklch(0.403 0.043 191.1)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.068

Tints & shades

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

Harmonies

Complementary

Open in tool →

#502b2d

#2b503b · #2b3f50

#4e2b50 · #504e2b

Split-complementary

Open in tool →

#502b3f · #503b2b

#3b2b50 · #502b2d · #3f502b

Contrast

#2b504e as textRatioAAAA largeAAAFix
Aaon white
8.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #447e7b as the text (4.52:1)
  • AAA: use #57a29f as the text (7.07:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (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 #2b504e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2b504e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b504e
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 #2b504e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b504e-a2bcbe-d4599b-1f282d-e9f1ed?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