Color

#2d31be

#2d31be
hex#2d31be
rgbrgb(45, 49, 190)
hslhsl(238, 62%, 46%)
oklchoklch(0.421 0.212 271.5)
Closest name: Denim (#2243b6)Relative luminance 0.0647

Tints & shades

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

Harmonies

Complementary

Open in tool →

#beb92d

#2d7abe · #702dbe

#be2d31 · #31be2d

Split-complementary

Open in tool →

#be702d · #7abe2d

#be2d7a · #beb92d · #2dbe70

Contrast

#2d31be as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #666adb as the text (4.65:1)
  • AAA: use #8b8ee4 as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d31be 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

#2d31be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d31be
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 #2d31be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d31be-9f9cc4-df944e-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