Color

#0341dd

#0341dd
hex#0341dd
rgbrgb(3, 65, 221)
hslhsl(223, 97%, 44%)
oklchoklch(0.466 0.241 263.4)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0902

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd9f03

#03aedd · #3303dd

#dd0341 · #41dd03

Split-complementary

Open in tool →

#dd3303 · #aedd03

#dd03ae · #dd9f03 · #03dd33

Contrast

#0341dd as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #316bfc as the text (4.64:1)
  • AAA: use #6892fd as the text (7.12:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0341dd 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

#0341dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0341dd
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 #0341dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0341dd-9ca3c4-df704e-211f2d-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