# #381bac

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

## Values

- Hex: `#381bac`
- RGB: rgb(56, 27, 172)
- HSL: hsl(252, 73%, 39%)
- OKLCH: oklch(0.382 0.207 279.3)
- Relative luminance: 0.046
- Nearest named color: Galactic Highway (#3311bb, Δ 2.723) — https://brandsweets.com/colors/galactic-highway
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/381bac

## Tints & shades

- Tints (toward white): #401fc7, #4b27dd, #6141e1, #775ce6, #8d76ea, #a08ced, #b6a7f1, #ccc1f5, #e2dcf9, #f8f6fe
- Shades (toward black): #34199f, #2e168d, #2a1480, #24116e, #200f61, #1a0c4f, #150a42, #100831, #0b0623, #060312

## Harmonies

- Complementary: #8fac1b
- Analogous: #1b46ac, #801bac
- Triadic: #ac381b, #1bac38
- Split-complementary: #ac801b, #46ac1b
- Tetradic: #ac1b46, #8fac1b, #1bac80

## Colors that go with #381bac

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 #381bac: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #381bac's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Procter & Gamble's brand system and Zillow's brand system put Blue beside #381bac, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Pfizer (https://brandsweets.com/colors/brands/pfizer-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #381bac in 5 real palettes, including Pepsi's brand system and Behance's brand system, as the supporting colour. Seen in: Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #381bac: 5 real palettes, including Unilever's brand system and Warbyparker's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Intel (https://brandsweets.com/colors/brands/intel-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Blue Mono and Kraken's brand system put Midnight Blue beside #381bac, 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), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Air France (https://brandsweets.com/colors/brands/airfrance-com). — https://brandsweets.com/colors/midnightblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #381bac in 4 real palettes, including Tide's brand system and Intercom's brand system, as the accent. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), Intercom (https://brandsweets.com/colors/brands/intercom-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #381bac in 7 real palettes, including Nivea's brand system and NHL's brand system, as the supporting colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), NHL (https://brandsweets.com/colors/brands/nhl-com), Discord (https://brandsweets.com/colors/brands/discord), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 10.93:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7b60e6 (4.66:1); AA: background → #a8a8a8 (4.6:1); AAA: text → #9c88ec (7.15:1); AAA: background → #cfcfcf (7.02:1)

## 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/381bac-a99cc4-dfb64e-281f2d-e9ecf1?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: "#381bac" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.