Color

#2f3e4b

#2f3e4b
hex#2f3e4b
rgbrgb(47, 62, 75)
hslhsl(208, 23%, 24%)
oklchoklch(0.356 0.03 244.9)
Closest name: After Midnight (#38393f)Relative luminance 0.0456

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b3c2f

#2f4b4a · #2f304b

#4b2f3e · #3e4b2f

Split-complementary

Open in tool →

#4b2f30 · #4b4a2f

#4a2f4b · #4b3c2f · #304b2f

Contrast

#2f3e4b as textRatioAAAA largeAAAFix
Aaon white
10.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #5c7a93 as the text (4.66:1)
  • AAA: use #829bb0 as the text (7.26:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (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 #2f3e4b 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

#2f3e4b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3e4b
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 #2f3e4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3e4b-9cadc4-df4e51-1f212d-e9f1f1?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