Color

#4d75ef

#4d75ef
hex#4d75ef
rgbrgb(77, 117, 239)
hslhsl(225, 84%, 62%)
oklchoklch(0.599 0.189 266.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efc74d

#4dc7ef · #754def

#ef4d75 · #75ef4d

Split-complementary

Open in tool →

#ef754d · #c7ef4d

#ef4dc7 · #efc74d · #4def75

Contrast

#4d75ef as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #3f6bee as the text (4.62:1)
  • AAA: use #1346dd as the text (7.12:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #7292f3 as the text (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 #4d75ef 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

#4d75ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d75ef
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 #4d75ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d75ef-9ca1c4-df754e-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