Color

#4e50a6

#4e50a6
hex#4e50a6
rgbrgb(78, 80, 166)
hslhsl(239, 36%, 48%)
oklchoklch(0.475 0.135 278.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1011

Colors that go with #4e50a6

Charcoal, Steel Blue 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 →

#a6a54e

#4e7ca6 · #794ea6

#a64e50 · #50a64e

Split-complementary

Open in tool →

#a6794e · #7ca64e

#a64e7c · #a6a54e · #4ea679

Contrast

#4e50a6 as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #4d4ea3 as the text (7.16:1)
Aaon black
3.02:1failpassfail
  • AA: use #6d6fba as the text (4.63:1)
  • AAA: use #9091cb as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e50a6 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

#4e50a6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e50a6
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 #4e50a6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e50a6-a09cc4-df964e-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