Color

#033dc4

#033dc4
hex#033dc4
rgbrgb(3, 61, 196)
hslhsl(222, 97%, 39%)
oklchoklch(0.434 0.215 263.1)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0734

Colors that go with #033dc4

Crimson, Steel Blue and Charcoal 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 →

#c48a03

#039dc4 · #2a03c4

#c4033d · #3dc403

Split-complementary

Open in tool →

#c42a03 · #9dc403

#c4039d · #c48a03 · #03c42a

Contrast

#033dc4 as textRatioAAAA largeAAAFix
Aaon white
8.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #2c6afc as the text (4.57:1)
  • AAA: use #6895fd as the text (7.31:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033dc4 as the background.

Brands using this color

Fonts for this mood

#033dc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033dc4
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 #033dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033dc4-9ca3c4-df6e4e-211f2d-e9eff1?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