#5C7287Plumbeous (#5C7287) is a mid-tone, muted blue with an OKLCH hue of 247°, lightness 0.54 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 | #5C7287 |
|---|---|
| RGB | rgb(92, 114, 135) |
| HSL | hsl(209, 19%, 45%) |
| HSV | hsv(209, 32%, 53%) |
| CMYK | cmyk(32%, 16%, 0%, 47%) |
| CIE Lab | lab(47.1 -2.8 -14.1) |
| OKLCH | oklch(0.542 0.042 247) |
Under warm 2700K interior light Plumbeous shifts subtly: leans toward purple; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.6), so it is a lighting-stable choice.
#636f7e — ΔE 1.6, shifts subtly: leans toward purple#617384 — ΔE 0.9, is virtually unchanged#5c7287 — ΔE 0.0, is virtually unchanged#5c7389 — ΔE 0.4, is virtually unchangedTest Plumbeous 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 4.99:1 and against black 4.21:1, 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.
#b5c7d9 · #8da1b4 · #5c7287 · #44586b · #253647 · #091825
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.
#689caa · #5688a2 · #5c7287 · #4a5e86 · #464a70 · #403759
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.
#b2a1d5 · #9088a1 · #5c7287 · #355675 · #1d3b56 · #231b31
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.
#d9af84 · #85919d · #5c7287 · #3e5366 · #243546 · #0f1a24
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f7f1ea · #838b93 · #5c7287 · #595551 · #1c242b · #020100
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.
#eaf3fc · #c1ccd7 · #5c7287 · #1d2c3a · #000a17 · #f3a548
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#fdefe2 · #a38363 · #5c7287 · #724d24 · #351c00 · #00040f
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#fdefe2 · #ab7e70 · #5c7287 · #61561f · #3c160a · #070400
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffecef · #aa7b83 · #5c7287 · #4a5e2e · #1a2802 · #060001
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#fdecf7 · #a27c97 · #5c7287 · #724d24 · #002c17 · #120500
#73879A · #8B9CAD · #A3B2C0 · #BCC8D4 · #D5DFE8
#4A5E71 · #3A4B5C · #293947 · #1A2734 · #0C1721
#607282 · #64717D · #697078
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.