Color

#033b63

#033b63
hex#033b63
rgbrgb(3, 59, 99)
hslhsl(205, 94%, 20%)
oklchoklch(0.343 0.088 247)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0405

Tints & shades

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

Harmonies

Complementary

Open in tool →

#632b03

#03635b · #030b63

#63033b · #3b6303

Split-complementary

Open in tool →

#63030b · #635b03

#5b0363 · #632b03 · #0b6303

Contrast

#033b63 as textRatioAAAA largeAAAFix
Aaon white
11.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #0679cb as the text (4.61:1)
  • AAA: use #169af8 as the text (7.01:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033b63 as the background.

Brands using this color

Fonts for this mood

#033b63 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033b63
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 #033b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033b63-9cafc4-df4e58-1f212d-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