Color

#0731ca

#0731ca
hex#0731ca
rgbrgb(7, 49, 202)
hslhsl(227, 93%, 41%)
oklchoklch(0.422 0.234 264.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0651

Tints & shades

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

Harmonies

Complementary

Open in tool →

#caa007

#0793ca · #3e07ca

#ca0731 · #31ca07

Split-complementary

Open in tool →

#ca3e07 · #93ca07

#ca0793 · #caa007 · #07ca3e

Contrast

#0731ca as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #3f67f8 as the text (4.51:1)
  • AAA: use #7592fa as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0731ca 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

#0731ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0731ca
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 #0731ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0731ca-9ca0c4-df7a4e-221f2d-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