# #353091

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

## Values

- Hex: `#353091`
- RGB: rgb(53, 48, 145)
- HSL: hsl(243, 50%, 38%)
- OKLCH: oklch(0.38 0.154 278.4)
- Relative luminance: 0.0492
- Nearest named color: Bluebell (#333399, Δ 1.509) — https://brandsweets.com/colors/bluebell
- Moods: cool, modern
- Page: https://brandsweets.com/colors/353091

## Tints & shades

- Tints (toward white): #3e38a8, #4640bf, #5c57c7, #726ecf, #8985d6, #9f9cde, #b5b3e6, #cbc9ed, #e1e0f5, #f8f7fc
- Shades (toward black): #312d86, #2b2877, #27246b, #221f5c, #1d1b50, #191745, #141236, #0f0e2a, #0a091b, #06050f

## Harmonies

- Complementary: #8d9130
- Analogous: #305c91, #663091
- Triadic: #913530, #309135
- Split-complementary: #916630, #5c9130
- Tetradic: #91305c, #8d9130, #309166

## Colors that go with #353091

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 #353091: 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 #353091'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] — 6 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #353091, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #353091 in 9 real palettes, including Walgreens's brand system and Casper Sleep's brand system, as the lead colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #353091: 13 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), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #353091: 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), 3M (https://brandsweets.com/colors/brands/3m-com), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/firebrick
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #353091 in 4 real palettes, including Tide's brand system and NASA's brand system, as the accent. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Intercom (https://brandsweets.com/colors/brands/intercom-com). — https://brandsweets.com/colors/orangered
- **Red** #ff0000 [pool] — Red is paired with #353091 in 4 real palettes, including Walgreens's brand system and 3M's brand system, as the supporting colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), 3M (https://brandsweets.com/colors/brands/3m-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Hyundai (https://brandsweets.com/colors/brands/hyundaiusa-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 10.59:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6f6acd (4.62:1); AA: background → #ababab (4.61:1); AAA: text → #9490da (7.26:1); AAA: background → #d4d4d4 (7.14:1)

## 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/353091-a39cc4-dfa04e-261f2d-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: "#353091" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.