# #019bf4

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

## Values

- Hex: `#019bf4`
- RGB: rgb(1, 155, 244)
- HSL: hsl(202, 99%, 48%)
- OKLCH: oklch(0.667 0.169 245.4)
- Relative luminance: 0.2998
- Nearest named color: Fresh Blue of Bel Air (#069af3, Δ 0.277) — https://brandsweets.com/colors/fresh-blue-of-bel-air
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/019bf4

## Tints & shades

- Tints (toward white): #10a7fe, #2ab0fe, #43bafe, #5dc3fe, #76ccfe, #8fd6fe, #a9dfff, #c2e8ff, #dbf2ff, #f5fbff
- Shades (toward black): #018edf, #017ec6, #0171b2, #016198, #015484, #014770, #003756, #002a42, #001a29, #000d14

## Harmonies

- Complementary: #f45a01
- Analogous: #01f4d3, #0122f4
- Triadic: #f4019b, #9bf401
- Split-complementary: #f40122, #f4d301
- Tetradic: #d301f4, #f45a01, #22f401

## Colors that go with #019bf4

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 #019bf4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: split] — Orange Red is a split-complement of #019bf4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Replit (https://brandsweets.com/colors/brands/replit), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/orangered
- **Bronze** #cd7f32 [harmony, pool: complementary] — Bronze sits directly opposite #019bf4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/bronze
- **Amber** #ffbf00 [pool] — Amber is paired with #019bf4 in 10 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #019bf4, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #019bf4 in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #019bf4: 11 real palettes, including Apple's brand system and Gopro's brand system, as the accent. Seen in: Apple (https://brandsweets.com/colors/brands/apple-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #019bf4, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #017ac1 (4.61:1); AA: background → #2e2e2e (4.52:1); AAA: text → #015d93 (7.03:1)
- On black (#000000): 7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #019ef9 (7.26:1)

## Brands using this color

- **Miro** — accent #0099ff (Δ 1.823) — https://brandsweets.com/colors/brands/miro-com
- **Figma** — accent #0d99ff (Δ 1.838) — https://brandsweets.com/colors/brands/figma

## 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/019bf4-9cb1c4-df4e5f-1f222d-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: "#019bf4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.