Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Color
#38b3ff
#38b3ff
hex
#38b3ffrgb
rgb(56, 179, 255)hsl
hsl(203, 100%, 61%)oklch
oklch(0.734 0.152 241.2)Closest name: Cerulean (#55aaee)Relative luminance 0.403
Colors that go with #38b3ff
Charcoal, Dark Orange and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Dark Orange #ff8c00
complementaryshippedDark Orange sits directly opposite #38b3ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #38b3ff in 4 real palettes, including Blue Mono and Telehealth, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
split-complementshippedGoldenrod is a split-complement of #38b3ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Hot Pink #ff69b4
triadicshippedHot Pink completes a triad with #38b3ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Salmon #fa8072
split-complementSalmon is a split-complement of #38b3ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #38b3ff in two real palettes: Blueprint and Heatwave, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #38b3ff in two real palettes: Arctic and Coastal, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #38b3ff
Tints & shades
Harmonies
Contrast
| #38b3ff as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.32:1 | fail | fail | fail | |
Aaon black | 9.06:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #38b3ff as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#38b3ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #38b3ff
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #38b3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/38b3ff-9cb0c4-df4e5d-1f222d-e9f1f0?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md