# #1d6bbf

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

## Values

- Hex: `#1d6bbf`
- RGB: rgb(29, 107, 191)
- HSL: hsl(211, 74%, 43%)
- OKLCH: oklch(0.528 0.15 254.1)
- Relative luminance: 0.1454
- Nearest named color: Denim (#1560bd, Δ 3.1) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1d6bbf

## Tints & shades

- Tints (toward white): #207ad9, #3387e1, #4e96e4, #64a4e8, #7eb3ec, #95c0ef, #afd0f3, #c5ddf6, #e0edfa, #f6fafe
- Shades (toward black): #1a61ad, #17579b, #154d8a, #124378, #103c6a, #0d3259, #0b2847, #081e35, #051423, #030a12

## Harmonies

- Complementary: #bf701d
- Analogous: #1dbcbf, #1f1dbf
- Triadic: #bf1d6b, #6bbf1d
- Split-complementary: #bf1f1d, #bcbf1d
- Tetradic: #bf1dbc, #bf701d, #1dbf1f

## Colors that go with #1d6bbf

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 #1d6bbf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1d6bbf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #1d6bbf 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 #1d6bbf in 10 real palettes, including Wikipedia's brand system and McDonald's's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #1d6bbf, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1d6bbf: 13 real palettes, including Intel's brand system and General Mills's brand system, as the lead colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1d6bbf: 7 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1d6bbf: 7 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.37:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #17579b (7.31:1)
- On black (#000000): 3.91:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1f75d1 (4.52:1); AA: background → #ebebeb (4.51:1); AAA: text → #5299e5 (7.05:1)

## Brands using this color

- **PlanetScale** — accent #0b6ec5 (Δ 1.181) — https://brandsweets.com/colors/brands/planetscale-com
- **KLM** — secondary #0070c2 (Δ 1.437) — https://brandsweets.com/colors/brands/klm-com
- **State Farm** — accent #0a70bc (Δ 1.567) — https://brandsweets.com/colors/brands/statefarm-com
- **LEGO** — accent #006db7 (Δ 1.717) — https://brandsweets.com/colors/brands/lego-com
- **Intel** — secondary #0071c5 (Δ 1.765) — https://brandsweets.com/colors/brands/intel-com
- **Linkedin** — secondary #0a66c2 (Δ 1.767) — https://brandsweets.com/colors/brands/linkedin-com
- **Bing** — accent #3366bb (Δ 1.777) — https://brandsweets.com/colors/brands/bing-com
- **Venmo** — accent #0070ba (Δ 1.81) — https://brandsweets.com/colors/brands/venmo-com
- **Xbox** — secondary #0067b8 (Δ 1.926) — https://brandsweets.com/colors/brands/xbox-com

## 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/1d6bbf-9cabc4-df534e-1f202d-e9f1f1?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: "#1d6bbf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.