# #040d02

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#040d02`
- RGB: rgb(4, 13, 2)
- HSL: hsl(109, 73%, 3%)
- OKLCH: oklch(0.144 0.033 137.9)
- Relative luminance: 0.0032
- Nearest named color: Blackn’t (#020f03, Δ 0.837) — https://brandsweets.com/colors/blacknt
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/040d02

## Tints & shades

- Tints (toward white): #123909, #1e610f, #2c8d16, #38b51c, #48dd27, #6ae34f, #8fea7b, #b1f1a2, #d6f7ce, #f8fef6
- Shades (toward black): #040d02, #040d02, #040d02, #040d02, #051203, #051203, #051203, #051203, #051203, #051203

## Harmonies

- Complementary: #0b020d
- Analogous: #0a0d02, #020d06
- Triadic: #02040d, #0d0204
- Split-complementary: #06020d, #0d020a
- Tetradic: #020a0d, #0b020d, #0d0602

## Colors that go with #040d02

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #040d02: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Firebrick** #b22222 [harmony, pool: triadic] — Firebrick completes a triad with #040d02 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/firebrick
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #040d02 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Framer (https://brandsweets.com/colors/brands/framer), Webflow (https://brandsweets.com/colors/brands/webflow-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #040d02: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Linear (https://brandsweets.com/colors/brands/linear), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #040d02's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Perplexity (https://brandsweets.com/colors/brands/perplexity), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #040d02 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Laser (https://brandsweets.com/palettes/vivid#laser), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Amber** #ffbf00 [pool] — Amber is paired with #040d02 in 16 real palettes, including Ahrefs's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 18 real palettes, including Pfizer's brand system and Robinhood's brand system put Blue beside #040d02, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 19.74:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.06:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2b8915 (4.69:1); AA: background → #7a7a7a (4.6:1); AAA: text → #35ac1b (7.07:1); AAA: background → #9c9c9c (7.19:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/040d02-a4bea2-7e4edf-1f2d23-eef1e9?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#040d02" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.