# #2d3b80

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

## Values

- Hex: `#2d3b80`
- RGB: rgb(45, 59, 128)
- HSL: hsl(230, 48%, 34%)
- OKLCH: oklch(0.381 0.117 271.2)
- Relative luminance: 0.0524
- Nearest named color: Evening Magic (#363e7d, Δ 1.71) — https://brandsweets.com/colors/evening-magic
- Moods: cool, modern
- Page: https://brandsweets.com/colors/2d3b80

## Tints & shades

- Tints (toward white): #354597, #3e51b1, #4e61c1, #6878ca, #7f8dd2, #95a1da, #b0b8e3, #c6cdeb, #e1e4f4, #f7f8fc
- Shades (toward black): #293675, #25316a, #212b5e, #1d2653, #192148, #151c3c, #111731, #0d1126, #090c1a, #05070f

## Harmonies

- Complementary: #80722d
- Analogous: #2d6580, #492d80
- Triadic: #802d3b, #3b802d
- Split-complementary: #80492d, #65802d
- Tetradic: #802d65, #80722d, #2d8049

## Colors that go with #2d3b80

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 #2d3b80's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #2d3b80, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #2d3b80 in 9 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 #2d3b80: 14 real palettes, including Hasbro's brand system and Unilever's brand system, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #2d3b80 in 5 real palettes, including NASA's brand system and Tide's brand system, as the supporting colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #2d3b80: 4 real palettes, including Glacier and First Snow, as the supporting colour. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), First Snow (https://brandsweets.com/palettes/cool#first-snow), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #2d3b80 in 12 real palettes, including Nokia's brand system and Confluent's brand system, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Nivea (https://brandsweets.com/colors/brands/nivea-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/royalblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #2d3b80: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 10.25:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.05:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5d6ec6 (4.51:1); AA: background → #adadad (4.57:1); AAA: text → #8693d5 (7.15:1); AAA: background → #d6d6d6 (7.05:1)

## 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/2d3b80-9c9ec4-df814e-231f2d-e9eef1?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: "#2d3b80" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
