# #2182ab

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

## Values

- Hex: `#2182ab`
- RGB: rgb(33, 130, 171)
- HSL: hsl(198, 68%, 40%)
- OKLCH: oklch(0.572 0.106 231.7)
- Relative luminance: 0.1923
- Nearest named color: Ahoy! Blue (#0082a1, Δ 1.956) — https://brandsweets.com/colors/ahoy-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2182ab

## Tints & shades

- Tints (toward white): #2695c5, #31a6d8, #47afdc, #60bae1, #7ac5e6, #94d1eb, #aedcef, #c3e5f4, #ddf0f8, #f6fbfd
- Shades (toward black): #1d759a, #1b6b8d, #185e7c, #15546f, #12475e, #0f3a4d, #0c3140, #09242f, #071a22, #030d11

## Harmonies

- Complementary: #ab4a21
- Analogous: #21ab90, #213cab
- Triadic: #ab2182, #82ab21
- Split-complementary: #ab213c, #ab9021
- Tetradic: #9021ab, #ab4a21, #3cab21

## Colors that go with #2182ab

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 #2182ab: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Plaid (https://brandsweets.com/colors/brands/plaid-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #2182ab: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #2182ab's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Guinness (https://brandsweets.com/colors/brands/guinness-com), Stripe (https://brandsweets.com/colors/brands/stripe), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2182ab on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #2182ab in 9 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Activision's brand system and Readymag's brand system put Blue beside #2182ab, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2182ab: 8 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2182ab: 5 real palettes, including Deep Water and Telegram's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.33:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #207fa7 (4.51:1); AA: background → #0a0a0a (4.57:1); AAA: text → #185e7c (7.16:1)
- On black (#000000): 4.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #29a2d6 (7.23:1)

## Brands using this color

- **Auth0** — primary #0a84ae (Δ 0.822) — https://brandsweets.com/colors/brands/auth0-com

## Curated palettes containing it

- **Beach Hut** (summer, light, clean, cool) — #2e86ab, #f6bd60, #f28482, #fbfcfd, #1b2a38 — Sea blue with sun-bleached yellow and a coral — striped-canvas summer, softened so it works on a screen. — tool: https://brandsweets.com/palettes/new/2e86ab-f6bd60-f28482-fbfcfd-1b2a38 — collection: https://brandsweets.com/palettes/summer

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/2182ab-9cb3c4-df4e69-1f232d-e9f1f0?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: "#2182ab" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.