Color

#125ea5

#125ea5
hex#125ea5
rgbrgb(18, 94, 165)
hslhsl(209, 80%, 36%)
oklchoklch(0.478 0.133 252.1)
Closest name: Blue Chip (#1d5699)Relative luminance 0.1085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a55912

#12a5a3 · #1215a5

#a5125e · #5ea512

Split-complementary

Open in tool →

#a51215 · #a5a312

#a312a5 · #a55912 · #15a512

Contrast

#125ea5 as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #11599c as the text (7.16:1)
Aaon black
3.17:1failpassfail
  • AA: use #1776cf as the text (4.53:1)
  • AAA: use #479ceb as the text (7.22:1)
  • AA: or shift the background to #d6d6d6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #125ea5 as the background.

Brands using this color

Fonts for this mood

#125ea5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #125ea5
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 #125ea5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/125ea5-9cacc4-df4e4e-1f212d-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