Color

#040138

#040138
hex#040138
rgbrgb(4, 1, 56)
hslhsl(243, 96%, 11%)
oklchoklch(0.161 0.102 270.1)
Closest name: Oblivion (#000435)Relative luminance 0.0033

Tints & shades

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

Harmonies

Complementary

Open in tool →

#343701

#011937 · #1f0137

#370401 · #013704

Split-complementary

Open in tool →

#371f01 · #193701

#370119 · #343701 · #01371f

Contrast

#040138 as textRatioAAAA largeAAAFix
Aaon white
19.69:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #675ffc as the text (4.62:1)
  • AAA: use #8d87fd as the text (7.02:1)
  • AA: or shift the background to #7a7a7a (4.59:1)
  • AAA: or shift the background to #9c9c9c (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040138 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

#040138 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040138
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 #040138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040138-a39cc4-dfa04e-261f2d-e9edf1?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