# #2188e8

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

## Values

- Hex: `#2188e8`
- RGB: rgb(33, 136, 232)
- HSL: hsl(209, 81%, 52%)
- OKLCH: oklch(0.62 0.17 251.8)
- Relative luminance: 0.2376
- Nearest named color: dodgerblue (#1e90ff, Δ 3.787) — https://brandsweets.com/colors/dodgerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2188e8

## Tints & shades

- Tints (toward white): #3994ea, #4b9eec, #62abef, #75b5f0, #8cc1f3, #a3cdf5, #b5d7f7, #cce4fa, #dfeefc, #f6fafe
- Shades (toward black): #177bd9, #146ec2, #1264af, #105698, #0e4981, #0b3c6a, #092f53, #072541, #04182a, #020a12

## Harmonies

- Complementary: #e88121
- Analogous: #21e8e4, #2125e8
- Triadic: #e82188, #88e821
- Split-complementary: #e82125, #e8e421
- Tetradic: #e421e8, #e88121, #25e821

## Colors that go with #2188e8

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 #2188e8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #2188e8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #2188e8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #2188e8 in 14 real palettes, including Google's brand system and Heatwave, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Walmart (https://brandsweets.com/colors/brands/walmart-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Readymag's brand system and Unity's brand system put Blue beside #2188e8, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2188e8: 10 real palettes, including Carrefour's brand system and Hershey's's brand system, as the accent. Seen in: Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #2188e8 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 #2188e8: 11 real palettes, including Patreon's brand system and Venmo's brand system, as the supporting colour. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Telegram (https://brandsweets.com/colors/brands/telegram-org), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.65:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #1676d0 (4.63:1); AA: background → #1f1f1f (4.51:1); AAA: text → #10599d (7.15:1)
- On black (#000000): 5.75:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #469cec (7.23:1)

## Brands using this color

- **Patreon** — accent #0e87eb (Δ 0.807) — https://brandsweets.com/colors/brands/patreon-com
- **Star Wars** — secondary #1786eb (Δ 0.862) — https://brandsweets.com/colors/brands/starwars-com
- **Readymag** — primary #1484eb (Δ 1.366) — https://brandsweets.com/colors/brands/readymag-com
- **Notion** — accent #2383e2 (Δ 1.496) — https://brandsweets.com/colors/brands/notion

## 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/2188e8-9cacc4-df4e4e-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: "#2188e8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.