# #041525

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

## Values

- Hex: `#041525`
- RGB: rgb(4, 21, 37)
- HSL: hsl(209, 80%, 8%)
- OKLCH: oklch(0.19 0.041 247.9)
- Relative luminance: 0.007
- Nearest named color: Midnight Edition (#0c121b, Δ 2.257) — https://brandsweets.com/colors/midnight-edition
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/041525

## Tints & shades

- Tints (toward white): #092d4e, #0d4477, #125ca1, #1673ca, #278ae7, #51a1ec, #7ab7f0, #a3cdf5, #cde4f9, #f6fafe
- Shades (toward black): #041525, #041220, #041220, #03101c, #03101c, #03101c, #030d17, #030d17, #020a12, #020a12

## Harmonies

- Complementary: #251404
- Analogous: #042524, #040525
- Triadic: #250415, #152504
- Split-complementary: #250405, #252404
- Tetradic: #240425, #251404, #052504

## Colors that go with #041525

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 #041525: softer than #000 and cool enough to feel like part of the same palette. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #041525 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-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 #041525: 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
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #041525 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 #041525's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Sentry (https://brandsweets.com/colors/brands/sentry-io), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #041525'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), Perplexity (https://brandsweets.com/colors/brands/perplexity), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #041525 in 18 real palettes, including Blueprint and Southwest Airlines's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), 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] — 21 real palettes, including MongoDB's brand system and League of Legends's brand system put Blue beside #041525, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Kia (https://brandsweets.com/colors/brands/kia-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 18.43:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1776cf (4.53:1); AA: background → #808080 (4.67:1); AAA: text → #479ceb (7.22:1); AAA: background → #a1a1a1 (7.14:1)

## Brands using this color

- **MongoDB** — text #061621 (Δ 1.033) — https://brandsweets.com/colors/brands/mongodb-com
- **League of Legends** — primary #0a1428 (Δ 1.186) — https://brandsweets.com/colors/brands/leagueoflegends-com
- **League of Legends** — text #0a1428 (Δ 1.186) — https://brandsweets.com/colors/brands/leagueoflegends-com
- **Kia** — primary #05141f (Δ 1.208) — https://brandsweets.com/colors/brands/kia-com
- **Kia** — text #05141f (Δ 1.208) — https://brandsweets.com/colors/brands/kia-com
- **Monzo** — text #091723 (Δ 1.25) — https://brandsweets.com/colors/brands/monzo-com
- **Cisco** — primary #07182d (Δ 1.925) — https://brandsweets.com/colors/brands/cisco-com
- **Cisco** — text #07182d (Δ 1.925) — https://brandsweets.com/colors/brands/cisco-com

## Curated palettes containing it

- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark

## 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/041525-9cacc4-df4e4e-1f212d-e9f1f1?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: "#041525" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.