Color

#1055ea

#1055ea
hex#1055ea
rgbrgb(16, 85, 234)
hslhsl(221, 87%, 49%)
oklchoklch(0.515 0.233 262.8)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1255

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaa510

#10c2ea · #3810ea

#ea1055 · #55ea10

Split-complementary

Open in tool →

#ea3810 · #c2ea10

#ea10c2 · #eaa510 · #10ea38

Contrast

#1055ea as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #0f4cd2 as the text (7.04:1)
Aaon black
3.51:1failpassfail
  • AA: use #326ef1 as the text (4.64:1)
  • AAA: use #6693f4 as the text (7.04:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1055ea as the background.

Brands using this color

Fonts for this mood

#1055ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1055ea
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 #1055ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1055ea-9ca4c4-df6b4e-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