Color

#033c91

#033c91
hex#033c91
rgbrgb(3, 60, 145)
hslhsl(216, 96%, 29%)
oklchoklch(0.382 0.151 259.9)
Closest name: Deep Space Royal (#223382)Relative luminance 0.053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915803

#038391 · #110391

#91033c · #3c9103

Split-complementary

Open in tool →

#911103 · #839103

#910383 · #915803 · #039111

Contrast

#033c91 as textRatioAAAA largeAAAFix
Aaon white
10.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #0f6dfa as the text (4.59:1)
  • AAA: use #5095fb as the text (7.03:1)
  • AA: or shift the background to #adadad (4.54:1)
  • AAA: or shift the background to #d6d6d6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033c91 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#033c91 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033c91
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 #033c91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033c91-9ca7c4-df5f4e-201f2d-e9f0f1?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