Color

#23017e

#23017e
hex#23017e
rgbrgb(35, 1, 126)
hslhsl(256, 98%, 25%)
oklchoklch(0.289 0.175 278.4)
Closest name: Child of the Night (#220077)Relative luminance 0.0189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d7e01

#011e7e · #61017e

#7e2301 · #017e23

Split-complementary

Open in tool →

#7e6101 · #1e7e01

#7e011e · #5d7e01 · #017e61

Contrast

#23017e as textRatioAAAA largeAAAFix
Aaon white
15.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #8153fd as the text (4.59:1)
  • AAA: use #a281fe as the text (7.11:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23017e 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

#23017e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23017e
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 #23017e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23017e-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