#3A5B52Iridescent (#3A5B52) is a dark, muted blue-green with an OKLCH hue of 175°, lightness 0.44 and chroma 0.042. It sits on the cool side of the color wheel. In practice it behaves as a mid-weight working color for secondary surfaces and editorial blocks.
| HEX | #3A5B52 |
|---|---|
| RGB | rgb(58, 91, 82) |
| HSL | hsl(164, 22%, 29%) |
| HSV | hsv(164, 36%, 36%) |
| CMYK | cmyk(36%, 0%, 10%, 64%) |
| CIE Lab | lab(36 -14.3 1.4) |
| OKLCH | oklch(0.443 0.042 175) |
Under warm 2700K interior light Iridescent shifts subtly: drifts toward green; in north-facing or shaded light it shifts subtly: leans toward sky blue. Overall drift across common illuminants is small (max ΔE ≈ 1.1), so it is a lighting-stable choice.
#40594c — ΔE 1.1, shifts subtly: drifts toward green#3e5b50 — ΔE 0.5, shifts subtly: leans toward green#3a5b52 — ΔE 0.0, is virtually unchanged#3a5b53 — ΔE 0.2, shifts subtly: leans toward sky blueTest Iridescent 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 7.5:1 and against black 2.8:1, 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.
#92aca4 · #6a877f · #3a5b52 · #23423a · #05221b · #000603
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.
#497f87 · #2e706d · #3a5b52 · #1b4e36 · #1e3c1d · #1d2a06
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.
#91b1c0 · #5996b1 · #597481 · #3a5b52 · #014337 · #00271f
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.
#9dbdb4 · #b57d92 · #3a5b52 · #2a3a35 · #01211a · #000704
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f8eff2 · #a4b0ac · #716b6d · #3a5b52 · #323e3b · #020101
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.
#e8f5f1 · #becec9 · #3a5b52 · #122a24 · #000805 · #e55095
The same quiet ground carrying one bright gold voice — the high-energy pairing a cool or muted anchor cannot reach through its own temperature.
#e8f5f1 · #becec9 · #3a5b52 · #122a24 · #000805 · #f0bb4d
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#e1e6c1 · #a6d29c · #d66786 · #8d689c · #3a5b52 · #1b051b
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ffecf2 · #c1a0c2 · #935b56 · #3a5b52 · #4c2f4d · #050000
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#f2efff · #afa6cf · #8e6141 · #3a5b52 · #543118 · #010006
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ecf2ff · #9badd4 · #8f5a6e · #3a5b52 · #4a380c · #040001
#56736B · #728C85 · #90A69F · #AEC1BB · #CEDCD7
#2E4C44 · #233E37 · #18302A · #0E221D · #051611
#405952 · #465852 · #4B5653
Its moderate chroma lets it work in mid-size areas — upholstery, secondary UI surfaces, editorial blocks — without overwhelming neighbors. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.