Color

#2a3950

#2a3950
hex#2a3950
rgbrgb(42, 57, 80)
hslhsl(216, 31%, 24%)
oklchoklch(0.342 0.045 258.7)
Closest name: Astral Nomad (#203943)Relative luminance 0.04

Colors that go with #2a3950

Dark Olive Green, Sea Green and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#50412a

#2a4c50 · #2e2a50

#502a39 · #39502a

Split-complementary

Open in tool →

#502e2a · #4c502a

#502a4c · #50412a · #2a502e

Contrast

#2a3950 as textRatioAAAA largeAAAFix
Aaon white
11.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #5878a7 as the text (4.66:1)
  • AAA: use #8098bc as the text (7.14:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (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 #2a3950 as the background.

Brands using this color

Fonts for this mood

#2a3950 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3950
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a3950 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3950-9ca7c4-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