Color

#3e58ac

#3e58ac
hex#3e58ac
rgbrgb(62, 88, 172)
hslhsl(226, 47%, 46%)
oklchoklch(0.485 0.138 268)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1098

Colors that go with #3e58ac

Charcoal, Sea Green and Amber 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 →

#ac933e

#3e8fac · #5c3eac

#ac3e58 · #58ac3e

Split-complementary

Open in tool →

#ac5c3e · #8fac3e

#ac3e8f · #ac933e · #3eac5c

Contrast

#3e58ac as textRatioAAAA largeAAAFix
Aaon white
6.57:1passpassfail
  • AAA: use #3b54a5 as the text (7.01:1)
Aaon black
3.2:1failpassfail
  • AA: use #5a73c4 as the text (4.68:1)
  • AAA: use #8093d1 as the text (7.01:1)
  • AA: or shift the background to #d6d6d6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e58ac 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

#3e58ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e58ac
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 #3e58ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e58ac-9ca1c4-df774e-221f2d-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