# #2f3289

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#2f3289`
- RGB: rgb(47, 50, 137)
- HSL: hsl(238, 49%, 36%)
- OKLCH: oklch(0.372 0.142 275.5)
- Relative luminance: 0.0469
- Nearest named color: Deep Space Royal (#223382, Δ 2.109) — https://brandsweets.com/colors/deep-space-royal
- Moods: cool, modern
- Page: https://brandsweets.com/colors/2f3289

## Tints & shades

- Tints (toward white): #373aa0, #3e42b6, #5458c4, #6b6ecc, #8284d4, #989bdc, #afb1e4, #cacbed, #e1e1f5, #f7f8fc
- Shades (toward black): #2b2e7d, #272a72, #222463, #1e2057, #1a1c4c, #161841, #121335, #0d0e26, #090a1b, #05060f

## Harmonies

- Complementary: #89862f
- Analogous: #2f5f89, #592f89
- Triadic: #892f32, #32892f
- Split-complementary: #89592f, #5f892f
- Tetradic: #892f5f, #89862f, #2f8959

## Colors that go with #2f3289

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 #2f3289: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #2f3289's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #2f3289, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #2f3289 in 10 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #2f3289: 12 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #2f3289: 4 real palettes, including Nintendo's brand system and Datadog's brand system, as the accent. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), MLB (https://brandsweets.com/colors/brands/mlb-com), 3M (https://brandsweets.com/colors/brands/3m-com). — https://brandsweets.com/colors/firebrick
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #2f3289 in 10 real palettes, including Nokia's brand system and Nivea's brand system, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Discord (https://brandsweets.com/colors/brands/discord), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #2f3289 in 4 real palettes, including Gillette's brand system and Boeing's brand system, as the lead colour. Seen in: Gillette (https://brandsweets.com/colors/brands/gillette-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), American Eagle (https://brandsweets.com/colors/brands/ae-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 10.83:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #676acb (4.5:1); AA: background → #a8a8a8 (4.56:1); AAA: text → #8d90d8 (7.11:1); AAA: background → #d1d1d1 (7.09:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/2f3289-9f9cc4-df944e-251f2d-e9edf1?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: "#2f3289" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.