# #010365

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

## Values

- Hex: `#010365`
- RGB: rgb(1, 3, 101)
- HSL: hsl(239, 98%, 20%)
- OKLCH: oklch(0.233 0.156 264.6)
- Relative luminance: 0.0101
- Nearest named color: Alone in the Dark (#000066, Δ 0.51) — https://brandsweets.com/colors/alone-in-the-dark
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/010365

## Tints & shades

- Tints (toward white): #01048d, #0205b6, #0206d9, #080cfd, #3033fd, #585bfd, #8183fe, #a4a6fe, #cdcdfe, #f5f5ff
- Shades (toward black): #01025b, #010256, #01024c, #010247, #01023d, #010132, #00012d, #000123, #00011e, #000114

## Harmonies

- Complementary: #656301
- Analogous: #013565, #310165
- Triadic: #650103, #036501
- Split-complementary: #653101, #356501
- Tetradic: #650135, #656301, #016531

## Colors that go with #010365

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 #010365: 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 #010365'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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #010365: 7 real palettes, including Glacier and MLB's brand system, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), MLB (https://brandsweets.com/colors/brands/mlb-com), Air France (https://brandsweets.com/colors/brands/airfrance-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #010365 — 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #010365: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #010365 in 8 real palettes, including Spectrum's brand system and Penpot's brand system, as the accent. Seen in: Spectrum (https://brandsweets.com/colors/brands/spectrum-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Discord (https://brandsweets.com/colors/brands/discord), GEICO (https://brandsweets.com/colors/brands/geico-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #010365 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
- **Blue** #0000ff [pool] — 3 real palettes, including Penpot's brand system and Monzo's brand system put Blue beside #010365, 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). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 17.47:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5d60fd (4.56:1); AA: background → #828282 (4.55:1); AAA: text → #8b8dfe (7.34:1); AAA: background → #a6a6a6 (7.18:1)

## Brands using this color

- **JetBlue** — secondary #000064 (Δ 0.633) — https://brandsweets.com/colors/brands/jetblue-com
- **Affirm** — primary #000061 (Δ 1.086) — https://brandsweets.com/colors/brands/affirm-com
- **Ford** — primary #00095b (Δ 1.841) — https://brandsweets.com/colors/brands/ford-com
- **Ford** — accent #00095b (Δ 1.841) — https://brandsweets.com/colors/brands/ford-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/010365-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: "#010365" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.