Color

#3a3e82

#3a3e82
hex#3a3e82
rgbrgb(58, 62, 130)
hslhsl(237, 38%, 37%)
oklchoklch(0.398 0.112 277.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0596

Colors that go with #3a3e82

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 →

#827f3a

#3a6282 · #5b3a82

#823a3e · #3e823a

Split-complementary

Open in tool →

#825b3a · #62823a

#823a62 · #827f3a · #3a825b

Contrast

#3a3e82 as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #6b6fbd as the text (4.63:1)
  • AAA: use #8e91cc as the text (7.07:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a3e82 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

#3a3e82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a3e82
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 #3a3e82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a3e82-9f9cc4-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