Color

#123fe2

#123fe2
hex#123fe2
rgbrgb(18, 63, 226)
hslhsl(227, 85%, 48%)
oklchoklch(0.471 0.247 264.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.0917

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2b512

#12a7e2 · #4d12e2

#e2123f · #3fe212

Split-complementary

Open in tool →

#e24d12 · #a7e212

#e212a7 · #e2b512 · #12e24d

Contrast

#123fe2 as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #476cf0 as the text (4.67:1)
  • AAA: use #7691f4 as the text (7.13:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #123fe2 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

#123fe2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #123fe2
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 #123fe2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/123fe2-9ca0c4-df7a4e-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