# #1791fd

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

## Values

- Hex: `#1791fd`
- RGB: rgb(23, 145, 253)
- HSL: hsl(208, 98%, 54%)
- OKLCH: oklch(0.652 0.188 252)
- Relative luminance: 0.2752
- Nearest named color: dodgerblue (#1e90ff, Δ 0.46) — https://brandsweets.com/colors/dodgerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1791fd

## Tints & shades

- Tints (toward white): #2b9bfd, #44a7fd, #58b0fd, #72bcfe, #86c6fe, #9acffe, #b3dbfe, #c7e5fe, #e1f1ff, #f5faff
- Shades (toward black): #0285f7, #0278de, #026ac5, #025cac, #014f92, #014179, #013460, #012647, #00182d, #000b14

## Harmonies

- Complementary: #fd8217
- Analogous: #17fdf5, #171efd
- Triadic: #fd1791, #91fd17
- Split-complementary: #fd171e, #fdf517
- Tetradic: #f517fd, #fd8217, #1efd17

## Colors that go with #1791fd

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 #1791fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Disney (https://brandsweets.com/colors/brands/disney-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #1791fd in 9 real palettes, including Heatwave and Google's brand system, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #1791fd, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Cargo (https://brandsweets.com/colors/brands/cargo-site), Samsung (https://brandsweets.com/colors/brands/samsung-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1791fd: 7 real palettes, including Blue Mono and Carrefour's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Behance (https://brandsweets.com/colors/brands/behance-net), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #1791fd in 5 real palettes, including Behance's brand system and NASCAR's brand system, as the accent. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), NASCAR (https://brandsweets.com/colors/brands/nascar-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #1791fd in 4 real palettes, including Playground and Elastic's brand system, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1791fd: 8 real palettes, including Venmo's brand system and Figma's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Figma (https://brandsweets.com/colors/brands/figma), Patreon (https://brandsweets.com/colors/brands/patreon-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue
- **Dark Goldenrod** #b8860b [harmony: complementary] — Dark Goldenrod sits directly opposite #1791fd 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/darkgoldenrod

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

- On white (#ffffff): 3.23:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #0275d9 (4.62:1); AA: background → #292929 (4.51:1); AAA: text → #0257a2 (7.27:1)
- On black (#000000): 6.5:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2699fd (7.06:1)

## Brands using this color

- **Unity** — primary #0892ff (Δ 0.407) — https://brandsweets.com/colors/brands/unity-com
- **Venmo** — primary #008cff (Δ 1.529) — https://brandsweets.com/colors/brands/venmo-com
- **Apple** — secondary #2997ff (Δ 1.839) — https://brandsweets.com/colors/brands/apple-com

## Curated palettes containing it

- **Heatwave** (summer, warm, bold, vivid) — #ff4d00, #ffb800, #0091ff, #fff9f0, #231205 — Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest. — tool: https://brandsweets.com/palettes/new/ff4d00-ffb800-0091ff-fff9f0-231205 — 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/1791fd-9cadc4-df4e51-1f212d-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: "#1791fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.