Color

#3e5ea8

#3e5ea8
hex#3e5ea8
rgbrgb(62, 94, 168)
hslhsl(222, 46%, 45%)
oklchoklch(0.495 0.124 264.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1186

Colors that go with #3e5ea8

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 →

#a8883e

#3e92a8 · #533ea8

#a83e5e · #5ea83e

Split-complementary

Open in tool →

#a8533e · #92a83e

#a83e92 · #a8883e · #3ea853

Contrast

#3e5ea8 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #385599 as the text (7.17:1)
Aaon black
3.37:1failpassfail
  • AA: use #5474c0 as the text (4.64:1)
  • AAA: use #7d95cf as the text (7.07:1)
  • AA: or shift the background to #dedede (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e5ea8 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

#3e5ea8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e5ea8
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 #3e5ea8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e5ea8-9ca3c4-df6e4e-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