Color

#125cfd

#125cfd
hex#125cfd
rgbrgb(18, 92, 253)
hslhsl(221, 98%, 53%)
oklchoklch(0.545 0.248 262.8)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1487

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdb212

#12d2fd · #3d12fd

#fd125c · #5cfd12

Split-complementary

Open in tool →

#fd3d12 · #d2fd12

#fd12d2 · #fdb212 · #12fd3d

Contrast

#125cfd as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #0248de as the text (7.04:1)
Aaon black
3.97:1failpassfail
  • AA: use #266afd as the text (4.56:1)
  • AAA: use #6294fd as the text (7.17:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125cfd as the background.

Brands using this color

Fonts for this mood

#125cfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125cfd
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 #125cfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125cfd-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