# #18a0bf

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

## Values

- Hex: `#18a0bf`
- RGB: rgb(24, 160, 191)
- HSL: hsl(191, 78%, 42%)
- OKLCH: oklch(0.653 0.114 218.9)
- Relative luminance: 0.291
- Nearest named color: Blue Ocean (#009dc4, Δ 1.401) — https://brandsweets.com/colors/blue-ocean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/18a0bf

## Tints & shades

- Tints (toward white): #1bb7da, #2ac2e5, #45cae8, #5cd1eb, #77d8ee, #92e0f2, #a9e6f4, #c4eef8, #dbf5fb, #f6fcfe
- Shades (toward black): #1591ac, #13829a, #11768d, #0f677b, #0d5868, #0b4856, #083944, #072e36, #041e24, #020f12

## Harmonies

- Complementary: #bf3618
- Analogous: #18bf8a, #184cbf
- Triadic: #bf18a0, #a0bf18
- Split-complementary: #bf184c, #bf8a18
- Tetradic: #8a18bf, #bf3618, #4cbf18

## Colors that go with #18a0bf

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 #18a0bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: complementary] — Orange Red sits directly opposite #18a0bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Cursor (https://brandsweets.com/colors/brands/cursor-com), Substack (https://brandsweets.com/colors/brands/substack-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/orangered
- **Amber** #ffbf00 [pool] — Amber is paired with #18a0bf in 6 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Wired (https://brandsweets.com/colors/brands/wired-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Canva's brand system and Unity's brand system put Blue beside #18a0bf, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #18a0bf: 4 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #18a0bf in 5 real palettes, including Diner and Riot Games's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #18a0bf: 5 real palettes, including Telegram's brand system and Snowflake AI Data Cloud's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Remix (https://brandsweets.com/colors/brands/remix-run), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18a0bf: 9 real palettes, including Gopro's brand system and Peacock, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #137e96 (4.72:1); AA: background → #2b2b2b (4.6:1); AAA: text → #0e5f71 (7.26:1)
- On black (#000000): 6.82:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #18a4c3 (7.14:1)

## Brands using this color

- **SoFi** — secondary #00a2c7 (Δ 1.185) — https://brandsweets.com/colors/brands/sofi-com

## Curated palettes containing it

- **Lido** (summer, vivid, light, playful) — #00a6c7, #ff6b6b, #ffd166, #ffffff, #12303a — Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile. — tool: https://brandsweets.com/palettes/new/00a6c7-ff6b6b-ffd166-ffffff-12303a — 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/18a0bf-a2b6be-df4e7a-1f252d-e9f1ef?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: "#18a0bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.