#3F5865Stargazer (#3F5865) is a dark, muted sky blue with an OKLCH hue of 231°, lightness 0.45 and chroma 0.037. 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 | #3F5865 |
|---|---|
| RGB | rgb(63, 88, 101) |
| HSL | hsl(201, 23%, 32%) |
| HSV | hsv(201, 38%, 40%) |
| CMYK | cmyk(38%, 13%, 0%, 60%) |
| CIE Lab | lab(35.9 -5.8 -10.5) |
| OKLCH | oklch(0.445 0.037 231) |
Under warm 2700K interior light Stargazer shifts subtly: leans toward blue-green; in north-facing or shaded light it shifts subtly: leans toward blue. Overall drift across common illuminants is small (max ΔE ≈ 1.3), so it is a lighting-stable choice.
#45565e — ΔE 1.3, shifts subtly: leans toward blue-green#435963 — ΔE 0.7, shifts subtly: leans toward blue-green#3f5865 — ΔE 0.0, is virtually unchanged#3f5866 — ΔE 0.2, shifts subtly: leans toward blueTest Stargazer 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 7.51:1 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.
#96aab5 · #6e8491 · #3f5865 · #283f4b · #0b1f29 · #00050b
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.
#4a8183 · #316e7d · #3f5865 · #224767 · #233355 · #202141
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.
#a8aac6 · #8788bb · #6d6e86 · #3f5865 · #0b3f54 · #002435
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.
#cd9a7c · #66767e · #3f5865 · #1f3b48 · #061f2a · #00060d
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f8f0ec · #a4afb5 · #716c69 · #3f5865 · #333e44 · #040201
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.
#e9f4fa · #c0cdd4 · #3f5865 · #1b2d36 · #000b14 · #f18741
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#ffeee4 · #cda38b · #906144 · #3f5865 · #56311b · #00050c
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ffeee4 · #d19f9d · #846938 · #3f5865 · #592d2d · #0d0500
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffecf3 · #cc9eb2 · #6f723c · #3f5865 · #3d3f13 · #040001
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#f9edfb · #bfa1c5 · #906144 · #3f5865 · #284424 · #0f0200
#5A707C · #768A94 · #93A4AD · #B0BFC6 · #CFDAE0
#334955 · #273B45 · #1C2D37 · #112028 · #07141B
#445761 · #49565E · #4D565A
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.