# #1858cd

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

## Values

- Hex: `#1858cd`
- RGB: rgb(24, 88, 205)
- HSL: hsl(219, 79%, 45%)
- OKLCH: oklch(0.496 0.192 261.4)
- Relative luminance: 0.1158
- Nearest named color: Denim (#1560bd, Δ 3.328) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1858cd

## Tints & shades

- Tints (toward white): #1b61e4, #3674e7, #4d84ea, #6494ed, #7fa7f0, #96b6f3, #adc6f5, #c4d6f8, #dfe9fb, #f6f9fe
- Shades (toward black): #1650bb, #1448a9, #124097, #103884, #0d3172, #0b275b, #091f49, #061737, #041025, #020812

## Harmonies

- Complementary: #cd8e18
- Analogous: #18b2cd, #3318cd
- Triadic: #cd1858, #58cd18
- Split-complementary: #cd3318, #b2cd18
- Tetradic: #cd18b2, #cd8e18, #18cd33

## Colors that go with #1858cd

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 #1858cd: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Campus (https://brandsweets.com/palettes/friendly#campus), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1858cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1858cd in 8 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Pixar's brand system and Zillow's brand system put Blue beside #1858cd, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1858cd: 8 real palettes, including Gopro's brand system and NBA's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1858cd: 7 real palettes, including Venmo's brand system and Elastic's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Astro (https://brandsweets.com/colors/brands/astro-build), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1858cd: 7 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Apple (https://brandsweets.com/colors/brands/apple-com), ASUS (https://brandsweets.com/colors/brands/asus-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #1858cd: 8 real palettes, including Nissan's brand system and Campbell's's brand system, as the supporting colour. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), MLB (https://brandsweets.com/colors/brands/mlb-com), Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 6.33:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1650bb (7.24:1)
- On black (#000000): 3.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3271e7 (4.65:1); AA: background → #dbdbdb (4.57:1); AAA: text → #6494ed (7:1)

## Brands using this color

- **ElevenLabs** — accent #0a59d2 (Δ 0.892) — https://brandsweets.com/colors/brands/elevenlabs-io
- **Coursera** — accent #0056d2 (Δ 1.261) — https://brandsweets.com/colors/brands/coursera-org
- **Nissan** — accent #005fcc (Δ 1.735) — https://brandsweets.com/colors/brands/nissanusa-com
- **YouTube** — accent #065fd4 (Δ 1.948) — https://brandsweets.com/colors/brands/youtube-com
- **Gopro** — primary #0059c2 (Δ 1.962) — https://brandsweets.com/colors/brands/gopro-com
- **Square** — secondary #005ad9 (Δ 1.963) — https://brandsweets.com/colors/brands/squareup-com
- **Strava** — accent #0060d0 (Δ 1.964) — https://brandsweets.com/colors/brands/strava-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/1858cd-9ca5c4-df664e-211f2d-e9f0f1?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: "#1858cd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.