Color

#031a77

#031a77
hex#031a77
rgbrgb(3, 26, 119)
hslhsl(228, 95%, 24%)
oklchoklch(0.289 0.157 264.5)
Closest name: midnightblue (#191970)Relative luminance 0.0209

Tints & shades

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

Harmonies

Complementary

Open in tool →

#776003

#035477 · #260377

#77031a · #1a7703

Split-complementary

Open in tool →

#772603 · #547703

#770354 · #776003 · #037726

Contrast

#031a77 as textRatioAAAA largeAAAFix
Aaon white
14.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #4267fa as the text (4.55:1)
  • AAA: use #748ffb as the text (7.06:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (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 #031a77 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

#031a77 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031a77
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 #031a77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031a77-9c9fc4-df7c4e-231f2d-e9eff1?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