# #021b6f

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

## Values

- Hex: `#021b6f`
- RGB: rgb(2, 27, 111)
- HSL: hsl(226, 96%, 22%)
- OKLCH: oklch(0.28 0.146 264)
- Relative luminance: 0.0194
- Nearest named color: midnightblue (#191970, Δ 2.368) — https://brandsweets.com/colors/midnightblue
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/021b6f

## Tints & shades

- Tints (toward white): #032596, #042eb9, #0538e1, #0f46fa, #3765fb, #5f84fc, #829ffc, #aabdfd, #cdd8fe, #f5f7ff
- Shades (toward black): #021964, #02165a, #021555, #02134b, #011041, #010e37, #010b2d, #010a28, #01071e, #000514

## Harmonies

- Complementary: #6e5502
- Analogous: #02516e, #1f026e
- Triadic: #6e021b, #1b6e02
- Split-complementary: #6e1f02, #516e02
- Tetradic: #6e0251, #6e5502, #026e1f

## Colors that go with #021b6f

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 #021b6f: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #021b6f — 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #021b6f'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), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including Monzo's brand system and Penpot's brand system put Blue beside #021b6f, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Sketch (https://brandsweets.com/colors/brands/sketch-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #021b6f: 7 real palettes, including Purina Pro Plan's brand system and Glacier, as the accent. Seen in: Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #021b6f: 12 real palettes, including Bank of America's brand system and Panasonic's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Skechers (https://brandsweets.com/colors/brands/skechers-com), KLM (https://brandsweets.com/colors/brands/klm-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #021b6f in 8 real palettes, including Discord's brand system and Spectrum's brand system, as the lead colour. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Spectrum (https://brandsweets.com/colors/brands/spectrum-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), GEICO (https://brandsweets.com/colors/brands/geico-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #021b6f 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

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

- On white (#ffffff): 15.12:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c69fb (4.61:1); AA: background → #8f8f8f (4.68:1); AAA: text → #7393fc (7.31:1); AAA: background → #b3b3b3 (7.21:1)

## Brands using this color

- **Crest** — secondary #001c71 (Δ 0.436) — https://brandsweets.com/colors/brands/crest-com
- **Bank of America** — secondary #012169 (Δ 1.639) — https://brandsweets.com/colors/brands/bankofamerica-com

## 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/021b6f-9ca1c4-df774e-221f2d-e9eff1?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: "#021b6f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.