Color

#033e81

#033e81
hex#033e81
rgbrgb(3, 62, 129)
hslhsl(212, 95%, 26%)
oklchoklch(0.373 0.126 256.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#814603

#037d81 · #080381

#81033e · #3e8103

Split-complementary

Open in tool →

#810803 · #7d8103

#81037d · #814603 · #038108

Contrast

#033e81 as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #0670ea as the text (4.51:1)
  • AAA: use #4298fa as the text (7.1:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #033e81 as the background.

Brands using this color

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

Fonts for this mood

#033e81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #033e81
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 #033e81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/033e81-9caac4-df564e-1f202d-e9f1f1?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