#1F66FFBluerocratic (#1F66FF) is a mid-tone, vivid blue with an OKLCH hue of 263°, lightness 0.57 and chroma 0.238. It sits on the cool side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.
| HEX | #1F66FF |
|---|---|
| RGB | rgb(31, 102, 255) |
| HSL | hsl(221, 100%, 56%) |
| HSV | hsv(221, 88%, 100%) |
| CMYK | cmyk(88%, 60%, 0%, 0%) |
| CIE Lab | lab(48.3 36.2 -81.4) |
| OKLCH | oklch(0.567 0.238 263) |
Under warm 2700K interior light Bluerocratic shifts noticeably: leans toward purple, loses intensity; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.6), so it is a lighting-stable choice.
#3566f0 — ΔE 2.6, shifts noticeably: leans toward purple, loses intensity#2c68fb — ΔE 1.1, shifts only faintly, with no single dominant change#1f66ff — ΔE 0.0, is virtually unchanged#1c66ff — ΔE 0.1, is virtually unchangedTest Bluerocratic in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.
Against white it measures 4.77:1 and against black 4.4:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text.
One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.
#b3ceff · #74a4ff · #1f66ff · #0549d8 · #002b95 · #001155
The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.
#00a9e0 · #008ee5 · #1f66ff · #5346de · #612ab6 · #630c8b
The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.
#dc8eff · #b07dc7 · #1f66ff · #124cc8 · #002f9d · #3c0150
One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.
#f9b800 · #8098c4 · #1f66ff · #2e539f · #153576 · #081b45
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#fdf0d9 · #8292af · #1f66ff · #645c4c · #172542 · #0d0500
This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.
#f7f1e6 · #d1cbbe · #a8a092 · #362c1b · #140b00 · #1f66ff
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#d5d8b3 · #ee8a2e · #1f66ff · #5d57a2 · #482b2b · #130729
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#fff0d5 · #de6e00 · #1f66ff · #5e6200 · #401a00 · #030300
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffedec · #ef5558 · #1f66ff · #007202 · #003000 · #1d0001
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ffecf3 · #e4559c · #1f66ff · #785600 · #002e23 · #0d0500
#4683FF · #699CFF · #8BB3FF · #ADCAFF · #CFE0FF
#1151DB · #023DB9 · #002B93 · #001B6C · #000A4B
#366EE3 · #4A73C6 · #5B76AA
Its chroma is high enough to carry accents, calls to action, and focal moments; large fields of it will dominate a composition. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.