Color

#125b82

#125b82
hex#125b82
rgbrgb(18, 91, 130)
hslhsl(201, 76%, 29%)
oklchoklch(0.448 0.093 238.5)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0922

Colors that go with #125b82

Crimson, Royal Blue and Sienna 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 →

#823912

#128271 · #122382

#82125b · #5b8212

Split-complementary

Open in tool →

#821223 · #827112

#711282 · #823912 · #238212

Contrast

#125b82 as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #187db4 as the text (4.63:1)
  • AAA: use #239fe1 as the text (7.12:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125b82 as the background.

Brands using this color

Fonts for this mood

#125b82 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125b82
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 #125b82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125b82-9cb1c4-df4e62-1f222d-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