# #150405

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

## Values

- Hex: `#150405`
- RGB: rgb(21, 4, 5)
- HSL: hsl(356, 68%, 5%)
- OKLCH: oklch(0.141 0.034 17.3)
- Relative luminance: 0.0026
- Nearest named color: Knight Rider (#0f0707, Δ 1.893) — https://brandsweets.com/colors/knight-rider
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/150405

## Tints & shades

- Tints (toward white): #3c0b0f, #671419, #8d1b23, #b4222c, #d8313c, #df5861, #e77e85, #eea5aa, #f6d0d2, #fdf6f7
- Shades (toward black): #150405, #150405, #150405, #150405, #150405, #110304, #110304, #110304, #110304, #110304

## Harmonies

- Complementary: #041514
- Analogous: #15040e, #150c04
- Triadic: #051504, #040515
- Split-complementary: #04150c, #040e15
- Tetradic: #0e1504, #041514, #0c0415

## Colors that go with #150405

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 #150405: 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), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #150405 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Asana (https://brandsweets.com/colors/brands/asana-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #150405's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Oatly (https://brandsweets.com/colors/brands/oatly-com), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #150405 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #150405 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Perplexity (https://brandsweets.com/colors/brands/perplexity), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #150405 in 16 real palettes, including Ember and Ahrefs's brand system, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), 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). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 18 real palettes, including Pfizer's brand system and Robinhood's brand system put Blue beside #150405, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #150405 in 10 real palettes, including Circuit and Render's brand system, as the lead colour. Seen in: Circuit (https://brandsweets.com/palettes/technical#circuit), Render (https://brandsweets.com/colors/brands/render-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Neobank (https://brandsweets.com/palettes/vivid#neobank). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 19.97:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.05:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d93641 (4.55:1); AA: background → #787878 (4.52:1); AAA: text → #e5767d (7.22:1); AAA: background → #999999 (7.01:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/150405-c49e9c-62cb91-2d241f-f1e9ee?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: "#150405" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.