Color

#107dcb

#107dcb
hex#107dcb
rgbrgb(16, 125, 203)
hslhsl(205, 85%, 43%)
oklchoklch(0.575 0.149 247.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1909

Colors that go with #107dcb

Charcoal, Crimson and Copper 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 →

#cb5e10

#10cbbb · #1020cb

#cb107d · #7dcb10

Split-complementary

Open in tool →

#cb1020 · #cbbb10

#bb10cb · #cb5e10 · #20cb10

Contrast

#107dcb as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #107ac6 as the text (4.54:1)
  • AAA: use #0c5a92 as the text (7.26:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #2b9dee as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #107dcb as the background.

Brands using this color

Fonts for this mood

#107dcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #107dcb
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 #107dcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/107dcb-9cafc4-df4e58-1f212d-e9f1f0?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