Color

#230b66

#230b66
hex#230b66
rgbrgb(35, 11, 102)
hslhsl(256, 81%, 22%)
oklchoklch(0.267 0.142 283.2)
Closest name: Blackmail (#220066)Relative luminance 0.0156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d660b

#0b2066 · #500b66

#66230b · #0b6623

Split-complementary

Open in tool →

#66500b · #20660b

#660b20 · #4d660b · #0b6650

Contrast

#230b66 as textRatioAAAA largeAAAFix
Aaon white
16.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #8059ee as the text (4.58:1)
  • AAA: use #a487f2 as the text (7.33:1)
  • AA: or shift the background to #8a8a8a (4.64:1)
  • AAA: or shift the background to #adadad (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 #230b66 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

#230b66 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #230b66
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 #230b66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/230b66-ab9cc4-dfbf4e-291f2d-e9ebf1?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