Color

#033e91

#033e91
hex#033e91
rgbrgb(3, 62, 145)
hslhsl(215, 96%, 29%)
oklchoklch(0.387 0.148 259.3)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0551

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915603

#038591 · #0f0391

#91033e · #3e9103

Split-complementary

Open in tool →

#910f03 · #859103

#910385 · #915603 · #03910f

Contrast

#033e91 as textRatioAAAA largeAAAFix
Aaon white
9.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #0a6efa as the text (4.62:1)
  • AAA: use #5097fb as the text (7.16:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033e91 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

#033e91 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033e91
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 #033e91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033e91-9ca8c4-df5d4e-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