Color

#124bf8

#124bf8
hex#124bf8
rgbrgb(18, 75, 248)
hslhsl(225, 94%, 52%)
oklchoklch(0.512 0.26 264.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1194

Colors that go with #124bf8

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8be12

#12bef8 · #4b12f8

#f8124b · #4bf812

Split-complementary

Open in tool →

#f84b12 · #bef812

#f812be · #f8be12 · #12f84b

Contrast

#124bf8 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #0741ed as the text (7.03:1)
Aaon black
3.39:1failpassfail
  • AA: use #3969f9 as the text (4.56:1)
  • AAA: use #7092fb as the text (7.19:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #124bf8 as the background.

Brands using this color

Fonts for this mood

#124bf8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #124bf8
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 #124bf8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/124bf8-9ca1c4-df754e-221f2d-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