Color

#4871ea

#4871ea
hex#4871ea
rgbrgb(72, 113, 234)
hslhsl(225, 79%, 60%)
oklchoklch(0.585 0.189 266.5)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1913

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eac148

#48c1ea · #7148ea

#ea4871 · #71ea48

Split-complementary

Open in tool →

#ea7148 · #c1ea48

#ea48c1 · #eac148 · #48ea71

Contrast

#4871ea as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #446de9 as the text (4.56:1)
  • AAA: use #1949d7 as the text (7.06:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4871ea 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

#4871ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4871ea
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 #4871ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4871ea-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