Color

#341ba1

#341ba1
hex#341ba1
rgbrgb(52, 27, 161)
hslhsl(251, 71%, 37%)
oklchoklch(0.367 0.196 279.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0409

Colors that go with #341ba1

Steel Blue, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89a11b

#1b46a1 · #771ba1

#a1341b · #1ba134

Split-complementary

Open in tool →

#a1771b · #46a11b

#a11b46 · #89a11b · #1ba177

Contrast

#341ba1 as textRatioAAAA largeAAAFix
Aaon white
11.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #7a62e4 as the text (4.69:1)
  • AAA: use #9b89eb as the text (7.17:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #341ba1 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

#341ba1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #341ba1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #341ba1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/341ba1-a89cc4-dfb34e-281f2d-e9ecf1?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