# #033587

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

## Values

- Hex: `#033587`
- RGB: rgb(3, 53, 135)
- HSL: hsl(217, 96%, 27%)
- OKLCH: oklch(0.358 0.146 260.6)
- Relative luminance: 0.0431
- Nearest named color: Below the Surface (#0a2f7c, Δ 2.391) — https://brandsweets.com/colors/below-the-surface
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/033587

## Tints & shades

- Tints (toward white): #0343aa, #0451cd, #055ff0, #1e73fa, #468cfb, #69a1fc, #8cb7fd, #afcdfd, #d2e3fe, #f5f9ff
- Shades (toward black): #03317d, #022c6e, #022864, #02245a, #022050, #011a41, #011637, #01122d, #010c1e, #000814

## Harmonies

- Complementary: #875403
- Analogous: #037887, #120387
- Triadic: #870335, #358703
- Split-complementary: #871203, #788703
- Tetradic: #870378, #875403, #038712

## Colors that go with #033587

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 #033587: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #033587 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #033587'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), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Procter & Gamble's brand system and Alaska Airlines's brand system put Blue beside #033587, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #033587: 12 real palettes, including Hasbro's brand system and Panasonic's brand system, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #033587 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #033587 in 10 real palettes, including Nokia's brand system and Nivea's brand system, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Nivea (https://brandsweets.com/colors/brands/nivea-com), Discord (https://brandsweets.com/colors/brands/discord), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Tomato** #ff6347 [pool] — 4 real palettes, including dbt Labs's brand system and Harley-Davidson's brand system put Tomato beside #033587, as the lead colour. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), FedEx (https://brandsweets.com/colors/brands/fedex-com), Etsy (https://brandsweets.com/colors/brands/etsy-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 11.27:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.86:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #146cfa (4.56:1); AA: background → #a6a6a6 (4.63:1); AAA: text → #5595fc (7.09:1); AAA: background → #cccccc (7.02:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/033587-9ca7c4-df624e-201f2d-e9f0f1?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: "#033587" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.