Color

#4e78da

#4e78da
hex#4e78da
rgbrgb(78, 120, 218)
hslhsl(222, 65%, 58%)
oklchoklch(0.592 0.157 264.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2011

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dab04e

#4ebeda · #6a4eda

#da4e78 · #78da4e

Split-complementary

Open in tool →

#da6a4e · #beda4e

#da4ebe · #dab04e · #4eda6a

Contrast

#4e78da as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #4672d8 as the text (4.51:1)
  • AAA: use #2651b5 as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.58:1)
Aaon black
5.02:1passpassfail
  • AAA: use #7495e2 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e78da 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

#4e78da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e78da
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #4e78da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e78da-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