# #011815

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

## Values

- Hex: `#011815`
- RGB: rgb(1, 24, 21)
- HSL: hsl(172, 92%, 5%)
- OKLCH: oklch(0.189 0.032 183.9)
- Relative luminance: 0.0071
- Nearest named color: Black Stallion (#0e191c, Δ 2.534) — https://brandsweets.com/colors/black-stallion
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/011815

## Tints & shades

- Tints (toward white): #03453c, #057666, #07a28d, #09ceb3, #14f5d7, #40f7df, #6cf9e6, #98fbee, #c9fdf6, #f5fffd
- Shades (toward black): #011815, #011815, #011815, #011815, #011815, #011411, #011411, #011411, #011411, #011411

## Harmonies

- Complementary: #180104
- Analogous: #01180a, #011018
- Triadic: #150118, #181501
- Split-complementary: #180110, #180a01
- Tetradic: #0a0118, #180104, #101801

## Colors that go with #011815

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

- **Blue Violet** #8a2be2 [harmony, pool: triadic] — Blue Violet completes a triad with #011815 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Neobank (https://brandsweets.com/palettes/vivid#neobank). — https://brandsweets.com/colors/blueviolet
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #011815: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #011815: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Semrush (https://brandsweets.com/colors/brands/semrush-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Gallery (https://brandsweets.com/palettes/editorial#gallery), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #011815's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Next.js (https://brandsweets.com/colors/brands/nextjs-org), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #011815 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Teal** #008080 [harmony, pool: analogous] — Teal is #011815's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Perplexity (https://brandsweets.com/colors/brands/perplexity), Redfin (https://brandsweets.com/colors/brands/redfin-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #011815 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: T-Mobile (https://brandsweets.com/colors/brands/t-mobile-com), Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Amber** #ffbf00 [pool] — Amber is paired with #011815 in 18 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

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

- On white (#ffffff): 18.38:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068473 (4.56:1); AA: background → #808080 (4.65:1); AAA: text → #07ab95 (7.27:1); AAA: background → #a1a1a1 (7.11:1)

## Brands using this color

- **Perplexity** — text #091717 (Δ 1.371) — https://brandsweets.com/colors/brands/perplexity

## 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/011815-a2bebe-d459a5-1f292d-e9f1ec?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: "#011815" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.