Color

#124fde

#124fde
hex#124fde
rgbrgb(18, 79, 222)
hslhsl(222, 85%, 47%)
oklchoklch(0.493 0.225 263.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1099

Colors that go with #124fde

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #124fde

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dea112

#12b5de · #3b12de

#de124f · #4fde12

Split-complementary

Open in tool →

#de3b12 · #b5de12

#de12b5 · #dea112 · #12de3b

Contrast

#124fde as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #114ad0 as the text (7.21:1)
Aaon black
3.2:1failpassfail
  • AA: use #346cef as the text (4.54:1)
  • AAA: use #6d95f3 as the text (7.24:1)
  • AA: or shift the background to #d6d6d6 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #124fde as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#124fde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #124fde
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #124fde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/124fde-9ca3c4-df6e4e-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