Color

#3400a3

#3400a3
hex#3400a3
rgbrgb(52, 0, 163)
hslhsl(259, 100%, 32%)
oklchoklch(0.351 0.212 280.3)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#70a300

#001ea3 · #8500a3

#a33400 · #00a334

Split-complementary

Open in tool →

#a38500 · #1ea300

#a3001e · #70a300 · #00a385

Contrast

#3400a3 as textRatioAAAA largeAAAFix
Aaon white
12.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #854dff as the text (4.5:1)
  • AAA: use #a880ff as the text (7.2:1)
  • AA: or shift the background to #9c9c9c (4.57:1)
  • AAA: or shift the background to #c2c2c2 (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 #3400a3 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

#3400a3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3400a3
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 #3400a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3400a3-ad9cc4-dfc74e-2a1f2d-e9ebf1?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