Color

#010033

#010033
hex#010033
rgbrgb(1, 0, 51)
hslhsl(241, 100%, 10%)
oklchoklch(0.146 0.1 266)
Closest name: Illicit Darkness (#00022e)Relative luminance 0.0025

Colors that go with #010033

Blue Violet, Charcoal and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#323300

#001933 · #1a0033

#330100 · #003301

Split-complementary

Open in tool →

#331a00 · #193300

#330019 · #323300 · #00331a

Contrast

#010033 as textRatioAAAA largeAAAFix
Aaon white
20.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #6461ff as the text (4.7:1)
  • AAA: use #8c8aff as the text (7.19:1)
  • AA: or shift the background to #787878 (4.53:1)
  • AAA: or shift the background to #999999 (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 #010033 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

#010033 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010033
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #010033 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010033-a19cc4-df9b4e-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