Color

#034a53

#034a53
hex#034a53
rgbrgb(3, 74, 83)
hslhsl(187, 93%, 17%)
oklchoklch(0.375 0.063 208.9)
Closest name: Cold and Dark (#154250)Relative luminance 0.0554

Tints & shades

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

Harmonies

Complementary

Open in tool →

#540c03

#035435 · #032254

#54034a · #4a5403

Split-complementary

Open in tool →

#540322 · #543503

#350354 · #540c03 · #225403

Contrast

#034a53 as textRatioAAAA largeAAAFix
Aaon white
9.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #058394 as the text (4.68:1)
  • AAA: use #07a6bb as the text (7.18:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #034a53 as the background.

Brands using this color

Fonts for this mood

#034a53 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #034a53
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 #034a53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/034a53-a2b8be-df4e83-1f262d-e9f1ee?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