Color

#031663

#031663
hex#031663
rgbrgb(3, 22, 99)
hslhsl(228, 94%, 20%)
oklchoklch(0.257 0.136 264.7)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#635003

#034663 · #200363

#630316 · #166303

Split-complementary

Open in tool →

#632003 · #466303

#630346 · #635003 · #036320

Contrast

#031663 as textRatioAAAA largeAAAFix
Aaon white
16.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #4367f9 as the text (4.55:1)
  • AAA: use #748ffb as the text (7.06:1)
  • AA: or shift the background to #878787 (4.5:1)
  • AAA: or shift the background to #ababab (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 #031663 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

#031663 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031663
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 #031663 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031663-9c9fc4-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