Color

#124f8c

#124f8c
hex#124f8c
rgbrgb(18, 79, 140)
hslhsl(210, 77%, 31%)
oklchoklch(0.425 0.117 252.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0761

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c4f12

#128c8c · #12128c

#8c124f · #4f8c12

Split-complementary

Open in tool →

#8c1212 · #8c8c12

#8c128c · #8c4f12 · #128c12

Contrast

#124f8c as textRatioAAAA largeAAAFix
Aaon white
8.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #1b75d0 as the text (4.5:1)
  • AAA: use #4a99e8 as the text (7.01:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #124f8c 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

#124f8c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #124f8c
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 #124f8c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/124f8c-9cabc4-df514e-1f202d-e9f1f1?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