Color

#2b415e

#2b415e
hex#2b415e
rgbrgb(43, 65, 94)
hslhsl(214, 37%, 27%)
oklchoklch(0.371 0.057 255.7)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.051

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e482b

#2b5b5e · #2f2b5e

#5e2b41 · #415e2b

Split-complementary

Open in tool →

#5e2f2b · #5b5e2b

#5e2b5b · #5e482b · #2b5e2f

Contrast

#2b415e as textRatioAAAA largeAAAFix
Aaon white
10.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #4f77ab as the text (4.56:1)
  • AAA: use #7a99c2 as the text (7.16:1)
  • AA: or shift the background to #ababab (4.53:1)
  • AAA: or shift the background to #d4d4d4 (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 #2b415e as the background.

Brands using this color

Fonts for this mood

#2b415e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b415e
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 #2b415e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b415e-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