Color

#3e88ea

#3e88ea
hex#3e88ea
rgbrgb(62, 136, 234)
hslhsl(214, 80%, 58%)
oklchoklch(0.629 0.165 256.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2457

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea9f3e

#3edeea · #4a3eea

#ea3e88 · #88ea3e

Split-complementary

Open in tool →

#ea4a3e · #deea3e

#ea3ede · #ea9f3e · #3eea4a

Contrast

#3e88ea as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #1972e6 as the text (4.57:1)
  • AAA: use #1354aa as the text (7.3:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.91:1passpassfail
  • AAA: use #5597ec as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e88ea 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

#3e88ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e88ea
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 #3e88ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e88ea-9ca9c4-df5a4e-1f1f2d-e9f0f1?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