#220066Blackmail (#220066) is a very dark, saturated blue with an OKLCH hue of 284°, lightness 0.25 and chroma 0.15. It sits on the cool side of the color wheel. In practice it behaves as a grounding tone — suited to text, outlines, and shadowed surfaces.
| HEX | #220066 |
|---|---|
| RGB | rgb(34, 0, 102) |
| HSL | hsl(260, 100%, 20%) |
| HSV | hsv(260, 100%, 40%) |
| CMYK | cmyk(67%, 100%, 0%, 60%) |
| CIE Lab | lab(11.3 41.5 -50.6) |
| OKLCH | oklch(0.255 0.150 284) |
Under warm 2700K interior light Blackmail shifts subtly: drifts toward purple; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.3), so it is a lighting-stable choice.
#240360 — ΔE 1.3, shifts subtly: drifts toward purple#240264 — ΔE 0.7, shifts subtly: drifts toward purple#220066 — ΔE 0.0, is virtually unchanged#220067 — ΔE 0.2, is virtually unchangedTest Blackmail 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 16.67:1 and against black 1.26:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid black text on this color entirely.
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.
#9292d2 · #6d6bb2 · #4b4493 · #220066 · #130044 · #020010
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.
#00417a · #162774 · #220066 · #230045 · #1d0028 · #140012
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.
#d19cc4 · #8886d7 · #a74b94 · #50499a · #542b4b · #220066
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.
#d5c842 · #77789a · #575685 · #3b3b56 · #220066 · #0a012a
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f4f3e3 · #adadc2 · #737267 · #37374c · #220066 · #100f04
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.
#f3f3e7 · #cccbbd · #a19f90 · #2b2915 · #0a0700 · #220066
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#d5d7b1 · #e6912e · #755ba3 · #472c27 · #220066 · #170621
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#f6f4d1 · #dda351 · #4a8311 · #503200 · #220066 · #041300
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffeee7 · #ef966f · #00865e · #00452e · #220066 · #210400
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ffedee · #f18f99 · #7d7400 · #004342 · #220066 · #110f00
#3B3183 · #5A569F · #7D7CBC · #A2A2D8 · #C8CAF5
#1D005B · #190050 · #140045 · #10003A · #0B0030
#201158 · #1F1A4A · #201F3C
As a deep tone it works for grounding elements — text, outlines, and shadowed surfaces — rather than open fields. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.