Color

#037dba

#037dba
hex#037dba
rgbrgb(3, 125, 186)
hslhsl(200, 97%, 37%)
oklchoklch(0.563 0.13 240.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1823

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba4003

#03ba9b · #0321ba

#ba037d · #7dba03

Split-complementary

Open in tool →

#ba0321 · #ba9b03

#9b03ba · #ba4003 · #21ba03

Contrast

#037dba as textRatioAAAA largeAAAFix
Aaon white
4.52:1passpassfail
  • AAA: use #025e8d as the text (7.03:1)
Aaon black
4.65:1passpassfail
  • AAA: use #049fec as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #037dba 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

#037dba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #037dba
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 #037dba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/037dba-9cb2c4-df4e64-1f232d-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