Color

#2d3a71

#2d3a71
hex#2d3a71
rgbrgb(45, 58, 113)
hslhsl(229, 43%, 31%)
oklchoklch(0.368 0.096 271)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0478

Tints & shades

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

Harmonies

Complementary

Open in tool →

#71652d

#2d5c71 · #432d71

#712d3a · #3a712d

Split-complementary

Open in tool →

#71432d · #5c712d

#712d5c · #71652d · #2d7143

Contrast

#2d3a71 as textRatioAAAA largeAAAFix
Aaon white
10.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #5f70bf as the text (4.56:1)
  • AAA: use #8794cf as the text (7.17:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d3a71 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

#2d3a71 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d3a71
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 #2d3a71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d3a71-9c9fc4-df7e4e-231f2d-e9eef1?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