Color

#040b95

#040b95
hex#040b95
rgbrgb(4, 11, 149)
hslhsl(237, 95%, 30%)
oklchoklch(0.312 0.204 265)
Closest name: Everlasting Night (#000099)Relative luminance 0.0244

Tints & shades

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

Harmonies

Complementary

Open in tool →

#958e04

#045495 · #450495

#95040b · #0b9504

Split-complementary

Open in tool →

#954504 · #549504

#950454 · #958e04 · #049545

Contrast

#040b95 as textRatioAAAA largeAAAFix
Aaon white
14.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #5b63fb as the text (4.62:1)
  • AAA: use #888dfc as the text (7.26:1)
  • AA: or shift the background to #949494 (4.66:1)
  • AAA: or shift the background to #b8b8b8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #040b95 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

#040b95 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #040b95
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 #040b95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/040b95-9f9cc4-df924e-251f2d-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