Color

#037dc4

#037dc4
hex#037dc4
rgbrgb(3, 125, 196)
hslhsl(202, 97%, 39%)
oklchoklch(0.569 0.142 244.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1867

Colors that go with #037dc4

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 →

#c44a03

#03c4aa · #031dc4

#c4037d · #7dc403

Split-complementary

Open in tool →

#c4031d · #c4aa03

#aa03c4 · #c44a03 · #1dc403

Contrast

#037dc4 as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #037abf as the text (4.63:1)
  • AAA: use #025d92 as the text (7.04:1)
  • AA: or shift the background to #080808 (4.52:1)
Aaon black
4.73:1passpassfail
  • AAA: use #049df6 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 #037dc4 as the background.

Brands using this color

Fonts for this mood

#037dc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #037dc4
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 #037dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/037dc4-9cb1c4-df4e5f-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