Color

#2b374f

#2b374f
hex#2b374f
rgbrgb(43, 55, 79)
hslhsl(220, 30%, 24%)
oklchoklch(0.337 0.046 263.7)
Closest name: Astral Nomad (#203943)Relative luminance 0.0381

Tints & shades

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

Harmonies

Complementary

Open in tool →

#50432b

#2b4950 · #312b50

#502b37 · #37502b

Split-complementary

Open in tool →

#50312b · #49502b

#502b49 · #50432b · #2b5031

Contrast

#2b374f as textRatioAAAA largeAAAFix
Aaon white
11.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #5d76a8 as the text (4.62:1)
  • AAA: use #8497bd as the text (7.14:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (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 #2b374f 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

#2b374f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b374f
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 #2b374f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b374f-9ca5c4-df694e-211f2d-e9f0f1?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