Color

#2b5d64

#2b5d64
hex#2b5d64
rgbrgb(43, 93, 100)
hslhsl(187, 40%, 28%)
oklchoklch(0.447 0.055 207.5)
Closest name: Arctic Nights (#345c61)Relative luminance 0.0926

Tints & shades

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

Harmonies

Complementary

Open in tool →

#64322b

#2b644e · #2b4164

#642b5d · #5d642b

Split-complementary

Open in tool →

#642b41 · #644e2b

#4e2b64 · #64322b · #41642b

Contrast

#2b5d64 as textRatioAAAA largeAAAFix
Aaon white
7.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #3a7f88 as the text (4.57:1)
  • AAA: use #4ba3af as the text (7.16:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b5d64 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

#2b5d64 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b5d64
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 #2b5d64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b5d64-a2b8be-df4e83-1f262d-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