Color

#2d3f4e

#2d3f4e
hex#2d3f4e
rgbrgb(45, 63, 78)
hslhsl(207, 27%, 24%)
oklchoklch(0.359 0.035 244.1)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0466

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e3c2d

#2d4e4c · #2d2e4e

#4e2d3f · #3f4e2d

Split-complementary

Open in tool →

#4e2d2e · #4e4c2d

#4c2d4e · #4e3c2d · #2e4e2d

Contrast

#2d3f4e as textRatioAAAA largeAAAFix
Aaon white
10.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #567895 as the text (4.52:1)
  • AAA: use #7a99b3 as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (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 #2d3f4e 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

#2d3f4e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d3f4e
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 #2d3f4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d3f4e-9cadc4-df4e53-1f212d-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