# #03055e

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

## Values

- Hex: `#03055e`
- RGB: rgb(3, 5, 94)
- HSL: hsl(239, 94%, 19%)
- OKLCH: oklch(0.226 0.145 265.8)
- Relative luminance: 0.0094
- Nearest named color: Alone in the Dark (#000066, Δ 1.604) — https://brandsweets.com/colors/alone-in-the-dark
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/03055e

## Tints & shades

- Tints (toward white): #040686, #0508ad, #070ad5, #0d11f8, #3437f9, #575afa, #7e80fb, #a6a7fc, #cecefd, #f5f5ff
- Shades (toward black): #030459, #02044f, #02034a, #020340, #02033b, #020231, #01022d, #010223, #01011e, #010114

## Harmonies

- Complementary: #5e5c03
- Analogous: #03325e, #2f035e
- Triadic: #5e0304, #045e03
- Split-complementary: #5e2f03, #325e03
- Tetradic: #5e0332, #5e5c03, #035e2f

## Colors that go with #03055e

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 #03055e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #03055e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), 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] — 4 real palettes, including Penpot's brand system and Monzo's brand system put Blue beside #03055e, as the supporting colour. Seen in: Penpot (https://brandsweets.com/colors/brands/penpot-app), Monzo (https://brandsweets.com/colors/brands/monzo-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Sketch (https://brandsweets.com/colors/brands/sketch-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #03055e: 4 real palettes, including SoFi's brand system and Arctic, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Arctic (https://brandsweets.com/palettes/clean#arctic), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #03055e: 8 real palettes, including Glacier and Air France's brand system, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Air France (https://brandsweets.com/colors/brands/airfrance-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #03055e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #03055e: 4 real palettes, including Deep Water and Kraken's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Kraken (https://brandsweets.com/colors/brands/kraken-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Twilio (https://brandsweets.com/colors/brands/twilio-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #03055e: 11 real palettes, including Bank of America's brand system and Paramount+'s brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), British Airways (https://brandsweets.com/colors/brands/britishairways-com), KLM (https://brandsweets.com/colors/brands/klm-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 17.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6163fa (4.67:1); AA: background → #828282 (4.6:1); AAA: text → #888afb (7.08:1); AAA: background → #a3a3a3 (7.01:1)

## Brands using this color

- **Ford** — primary #00095b (Δ 0.721) — https://brandsweets.com/colors/brands/ford-com
- **Ford** — accent #00095b (Δ 0.721) — https://brandsweets.com/colors/brands/ford-com
- **Affirm** — primary #000061 (Δ 1.086) — https://brandsweets.com/colors/brands/affirm-com
- **JetBlue** — secondary #000064 (Δ 1.338) — https://brandsweets.com/colors/brands/jetblue-com

## Curated palettes containing it

- **Glacier** (winter, cool, clean, technical) — #0077b6, #90e0ef, #023e8a, #f3f9fc, #03045e — Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth. — tool: https://brandsweets.com/palettes/new/0077b6-90e0ef-023e8a-f3f9fc-03045e — collection: https://brandsweets.com/palettes/winter
- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean

## 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/03055e-a09cc4-df964e-251f2d-e9edf1?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: "#03055e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.