Color

#4d89ea

#4d89ea
hex#4d89ea
rgbrgb(77, 137, 234)
hslhsl(217, 79%, 61%)
oklchoklch(0.637 0.159 259.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2541

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaae4d

#4dd8ea · #5f4dea

#ea4d89 · #89ea4d

Split-complementary

Open in tool →

#ea5f4d · #d8ea4d

#ea4dd8 · #eaae4d · #4dea5f

Contrast

#4d89ea as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #2871e6 as the text (4.57:1)
  • AAA: use #1553b7 as the text (7.11:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #6498ed as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d89ea 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

#4d89ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d89ea
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 #4d89ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d89ea-9ca7c4-df624e-201f2d-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