# #370ebe

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

## Values

- Hex: `#370ebe`
- RGB: rgb(55, 14, 190)
- HSL: hsl(254, 86%, 40%)
- OKLCH: oklch(0.393 0.234 277.2)
- Relative luminance: 0.0484
- Nearest named color: Galactic Highway (#3311bb, Δ 0.784) — https://brandsweets.com/colors/galactic-highway
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/370ebe

## Tints & shades

- Tints (toward white): #3f10da, #4c1bee, #5f33f0, #7550f2, #8c6cf4, #a288f6, #b8a5f8, #cbbdfa, #e1d9fc, #f8f6fe
- Shades (toward black): #320dab, #2e0c9d, #280a8a, #24097b, #1e0868, #190655, #150547, #0f0434, #0b0326, #060113

## Harmonies

- Complementary: #95be0e
- Analogous: #0e3dbe, #8f0ebe
- Triadic: #be370e, #0ebe37
- Split-complementary: #be8f0e, #3dbe0e
- Tetradic: #be0e3d, #95be0e, #0ebe8f

## Colors that go with #370ebe

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 #370ebe: 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), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #370ebe's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), FedEx (https://brandsweets.com/colors/brands/fedex-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #370ebe: 5 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #370ebe in 5 real palettes, including Behance's brand system and Pepsi's brand system, as the accent. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #370ebe: 6 real palettes, including Unilever's brand system and Intel's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Intel (https://brandsweets.com/colors/brands/intel-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #370ebe: 5 real palettes, including Absolut's brand system and Cargo's brand system, as the supporting colour. Seen in: Absolut (https://brandsweets.com/colors/brands/absolut-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Readymag (https://brandsweets.com/colors/brands/readymag-com), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #370ebe in 4 real palettes, including Spotify's brand system and Fintech Trust, as the lead colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Unity (https://brandsweets.com/colors/brands/unity-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Blue Mono and Kraken's brand system put Midnight Blue beside #370ebe, as that palette's text colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Kraken (https://brandsweets.com/colors/brands/kraken-com), Air France (https://brandsweets.com/colors/brands/airfrance-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 10.67:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7d59f3 (4.6:1); AA: background → #ababab (4.64:1); AAA: text → #9e84f6 (7.09:1); AAA: background → #d4d4d4 (7.2:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/370ebe-aa9cc4-dfbb4e-291f2d-e9ebf1?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: "#370ebe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.