Color

#2b545a

#2b545a
hex#2b545a
rgbrgb(43, 84, 90)
hslhsl(188, 35%, 26%)
oklchoklch(0.419 0.047 207.8)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0759

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a312b

#2b5a48 · #2b3c5a

#5a2b53 · #535a2b

Split-complementary

Open in tool →

#5a2b3c · #5a482b

#482b5a · #5a312b · #3c5a2b

Contrast

#2b545a as textRatioAAAA largeAAAFix
Aaon white
8.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #417d86 as the text (4.5:1)
  • AAA: use #56a2ae as the text (7.18:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b545a 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

#2b545a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b545a
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 #2b545a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b545a-a2b7be-df4e81-1f252d-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