Color

#2a3441

#2a3441
hex#2a3441
rgbrgb(42, 52, 65)
hslhsl(214, 21%, 21%)
oklchoklch(0.321 0.027 255.1)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0333

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41372a

#2a3f41 · #2c2a41

#412a34 · #34412a

Split-complementary

Open in tool →

#412c2a · #3f412a

#412a3f · #41372a · #2a412c

Contrast

#2a3441 as textRatioAAAA largeAAAFix
Aaon white
12.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #617794 as the text (4.57:1)
  • AAA: use #8799b0 as the text (7.21:1)
  • AA: or shift the background to #9c9c9c (4.59:1)
  • AAA: or shift the background to #c2c2c2 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3441 as the background.

Brands using this color

Fonts for this mood

#2a3441 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3441
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 #2a3441 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3441-9ca9c4-df5a4e-1f1f2d-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