Color

#031c4e

#031c4e
hex#031c4e
rgbrgb(3, 28, 78)
hslhsl(220, 93%, 16%)
oklchoklch(0.246 0.098 261.4)
Closest name: Dark Soul (#112255)Relative luminance 0.014

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4f3503

#03424f · #10034f

#4f031c · #1c4f03

Split-complementary

Open in tool →

#4f1003 · #424f03

#4f0342 · #4f3503 · #034f10

Contrast

#031c4e as textRatioAAAA largeAAAFix
Aaon white
16.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #266cf7 as the text (4.57:1)
  • AAA: use #6294f9 as the text (7.12:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031c4e 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

#031c4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031c4e
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 #031c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031c4e-9ca5c4-df694e-211f2d-e9f0f1?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