Color

#2e3847

#2e3847
hex#2e3847
rgbrgb(46, 56, 71)
hslhsl(216, 21%, 23%)
oklchoklch(0.338 0.03 258.3)
Closest name: Astral Nomad (#203943)Relative luminance 0.0386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#473d2e

#2e4547 · #312e47

#472e38 · #38472e

Split-complementary

Open in tool →

#47312e · #45472e

#472e45 · #473d2e · #2e4731

Contrast

#2e3847 as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #637897 as the text (4.66:1)
  • AAA: use #8797b0 as the text (7.08:1)
  • AA: or shift the background to #a1a1a1 (4.58:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3847 as the background.

Brands using this color

Fonts for this mood

#2e3847 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3847
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 #2e3847 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3847-9ca7c4-df5f4e-201f2d-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