Color

#100458

#100458
hex#100458
rgbrgb(16, 4, 88)
hslhsl(249, 91%, 18%)
oklchoklch(0.224 0.134 273.8)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.009

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b5804

#042158 · #3a0458

#581104 · #045811

Split-complementary

Open in tool →

#583a04 · #215804

#580421 · #4b5804 · #04583a

Contrast

#100458 as textRatioAAAA largeAAAFix
Aaon white
17.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #755ef7 as the text (4.7:1)
  • AAA: use #9785f9 as the text (7.04:1)
  • AA: or shift the background to #808080 (4.5:1)
  • AAA: or shift the background to #a3a3a3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100458 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

#100458 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100458
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 #100458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100458-a79cc4-dfae4e-271f2d-e9ecf1?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