Color

#2d37eb

#2d37eb
hex#2d37eb
rgbrgb(45, 55, 235)
hslhsl(237, 83%, 55%)
oklchoklch(0.477 0.259 269.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.0929

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebe22d

#2d96eb · #832deb

#eb2d37 · #37eb2d

Split-complementary

Open in tool →

#eb832d · #96eb2d

#eb2d96 · #ebe22d · #2deb83

Contrast

#2d37eb as textRatioAAAA largeAAAFix
Aaon white
7.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #6068f0 as the text (4.74:1)
  • AAA: use #868bf4 as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.58:1)
  • AAA: or shift the background to #fafafa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d37eb 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

#2d37eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d37eb
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 #2d37eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d37eb-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