Color

#2b375a

#2b375a
hex#2b375a
rgbrgb(43, 55, 90)
hslhsl(225, 35%, 26%)
oklchoklch(0.344 0.064 268.6)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0398

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a4e2b

#2b4e5a · #372b5a

#5a2b37 · #375a2b

Split-complementary

Open in tool →

#5a372b · #4e5a2b

#5a2b4e · #5a4e2b · #2b5a37

Contrast

#2b375a as textRatioAAAA largeAAAFix
Aaon white
11.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #5d72b1 as the text (4.51:1)
  • AAA: use #8796c5 as the text (7.2:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b375a 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

#2b375a reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b375a
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 #2b375a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b375a-9ca1c4-df754e-221f2d-e9eff1?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