Color

#03354e

#03354e
hex#03354e
rgbrgb(3, 53, 78)
hslhsl(200, 93%, 16%)
oklchoklch(0.312 0.066 237.4)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0312

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f1c03

#034f42 · #03104f

#4f0335 · #354f03

Split-complementary

Open in tool →

#4f0310 · #4f4203

#42034f · #4f1c03 · #104f03

Contrast

#03354e as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #077cb6 as the text (4.57:1)
  • AAA: use #09a0ec as the text (7.25:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03354e 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

#03354e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03354e
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 #03354e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03354e-9cb2c4-df4e64-1f232d-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