# #3613aa

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

## Values

- Hex: `#3613aa`
- RGB: rgb(54, 19, 170)
- HSL: hsl(254, 80%, 37%)
- OKLCH: oklch(0.372 0.211 279.3)
- Relative luminance: 0.0415
- Nearest named color: Galactic Highway (#3311bb, Δ 2.909) — https://brandsweets.com/colors/galactic-highway
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/3613aa

## Tints & shades

- Tints (toward white): #3f16c5, #4819e1, #5b30e8, #714ceb, #8b6cef, #a088f2, #b6a3f5, #ccbff8, #e2dafb, #f8f6fe
- Shades (toward black): #32119c, #2c0f8a, #270e7c, #230c6e, #1f0b60, #19094e, #140740, #100632, #0a0420, #060212

## Harmonies

- Complementary: #87aa13
- Analogous: #133baa, #8213aa
- Triadic: #aa3613, #13aa36
- Split-complementary: #aa8213, #3baa13
- Tetradic: #aa133b, #87aa13, #13aa82

## Colors that go with #3613aa

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #3613aa'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] — 4 real palettes, including Procter & Gamble's brand system and Pfizer's brand system put Blue beside #3613aa, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3613aa in 4 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Blue Mono and Fintech Trust put Midnight Blue beside #3613aa, as that palette's text colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Kraken (https://brandsweets.com/colors/brands/kraken-com), Air France (https://brandsweets.com/colors/brands/airfrance-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3613aa in 6 real palettes, including Nivea's brand system and Discord's brand system, as the supporting colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Discord (https://brandsweets.com/colors/brands/discord), NHL (https://brandsweets.com/colors/brands/nhl-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #3613aa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #3613aa: 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). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #3613aa: 3 real palettes, including Peacock's brand system and Blue Mono, as the accent. Seen in: Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 11.47:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7c5aed (4.54:1); AA: background → #a3a3a3 (4.55:1); AAA: text → #a088f2 (7.3:1); AAA: background → #cccccc (7.14:1)

## 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/3613aa-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: "#3613aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.