Color

#2a4451

#2a4451
hex#2a4451
rgbrgb(42, 68, 81)
hslhsl(200, 32%, 24%)
oklchoklch(0.371 0.039 230.9)
Closest name: Cold and Dark (#154250)Relative luminance 0.0522

Tints & shades

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

Harmonies

Complementary

Open in tool →

#51372a

#2a514a · #2a3051

#512a44 · #44512a

Split-complementary

Open in tool →

#512a30 · #514a2a

#4a2a51 · #51372a · #30512a

Contrast

#2a4451 as textRatioAAAA largeAAAFix
Aaon white
10.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #4c7c94 as the text (4.62:1)
  • AAA: use #6e9db4 as the text (7.14:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a4451 as the background.

Brands using this color

Fonts for this mood

#2a4451 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a4451
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 #2a4451 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a4451-9cb2c4-df4e64-1f232d-e9f1f0?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