# #001129

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

## Values

- Hex: `#001129`
- RGB: rgb(0, 17, 41)
- HSL: hsl(215, 100%, 8%)
- OKLCH: oklch(0.179 0.056 253.6)
- Relative luminance: 0.0056
- Nearest named color: Mysterious Depths (#060929, Δ 2.64) — https://brandsweets.com/colors/mysterious-depths
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/001129

## Tints & shades

- Tints (toward white): #002457, #003785, #004ab3, #005de0, #0f73ff, #3d8eff, #6ba9ff, #99c3ff, #c7deff, #f5f9ff
- Shades (toward black): #001129, #000f24, #000f24, #000d1f, #000d1f, #000d1f, #000b19, #000b19, #000814, #000814

## Harmonies

- Complementary: #291800
- Analogous: #002529, #030029
- Triadic: #290011, #112900
- Split-complementary: #290300, #252900
- Tetradic: #290025, #291800, #002903

## Colors that go with #001129

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 text near-black for #001129: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #001129 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Chase (https://brandsweets.com/colors/brands/chase-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #001129: 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), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #001129 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #001129's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Linear (https://brandsweets.com/colors/brands/linear), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #001129's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Perplexity (https://brandsweets.com/colors/brands/perplexity). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #001129 in 18 real palettes, including Southwest Airlines's brand system and Blueprint, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 20 real palettes, including League of Legends's brand system and Kia's brand system put Blue beside #001129, as the supporting colour. Seen in: League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Kia (https://brandsweets.com/colors/brands/kia-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 18.88:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.11:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #006aff (4.51:1); AA: background → #7d7d7d (4.59:1); AAA: text → #4d97ff (7.19:1); AAA: background → #9e9e9e (7.05:1)

## Brands using this color

- **Intel** — text #000f28 (Δ 0.719) — https://brandsweets.com/colors/brands/intel-com
- **Twilio** — text #000d25 (Δ 1.579) — https://brandsweets.com/colors/brands/twilio-com
- **Southwest Airlines** — primary #090f23 (Δ 1.928) — https://brandsweets.com/colors/brands/southwest-com
- **Southwest Airlines** — text #090f23 (Δ 1.928) — https://brandsweets.com/colors/brands/southwest-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- 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/001129-9ca8c4-df5d4e-201f2d-e9f0f1?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: "#001129" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.