Color

#2a2b41

#2a2b41
hex#2a2b41
rgbrgb(42, 43, 65)
hslhsl(237, 21%, 21%)
oklchoklch(0.298 0.04 281.7)
Closest name: Haiti (#2c2a35)Relative luminance 0.026

Colors that go with #2a2b41

Dark Olive Green, Sienna and Slate Blue 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 →

#41402a

#2a3741 · #342a41

#412a2b · #2b412a

Split-complementary

Open in tool →

#41342a · #37412a

#412a37 · #41402a · #2a4134

Contrast

#2a2b41 as textRatioAAAA largeAAAFix
Aaon white
13.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #7174a2 as the text (4.72:1)
  • AAA: use #9395b8 as the text (7.23:1)
  • AA: or shift the background to #949494 (4.55:1)
  • AAA: or shift the background to #bababa (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 #2a2b41 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a2b41 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2b41
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 #2a2b41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2b41-9f9cc4-df924e-251f2d-e9edf1?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