#314159Pi (#314159) is a dark, muted blue with an OKLCH hue of 258°, lightness 0.37 and chroma 0.046. 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 | #314159 |
|---|---|
| RGB | rgb(49, 65, 89) |
| HSL | hsl(216, 29%, 27%) |
| HSV | hsv(216, 45%, 35%) |
| CMYK | cmyk(45%, 27%, 0%, 65%) |
| CIE Lab | lab(27.2 0.8 -16.3) |
| OKLCH | oklch(0.372 0.046 258) |
Under warm 2700K interior light Pi shifts subtly: leans toward purple; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.1), so it is a lighting-stable choice.
#353f53 — ΔE 1.1, shifts subtly: leans toward purple#344157 — ΔE 0.5, shifts subtly: leans toward purple#314159 — ΔE 0.0, is virtually unchanged#31415a — ΔE 0.2, is virtually unchangedTest Pi 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 10.34:1 and against black 2.03:1, 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.
#8d9baf · #67768c · #43536a · #314159 · #071326 · #000008
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.
#3a687b · #2d5572 · #314159 · #262d54 · #221b3e · #1b0b29
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.
#bdaec9 · #7f97bb · #866c99 · #62566b · #314159 · #122746
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.
#dfbf8d · #707f95 · #575f6b · #314159 · #182538 · #050c17
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f6f1ea · #9ca2ab · #5b5854 · #314159 · #242a32 · #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.
#ebf2fe · #c1cad7 · #314159 · #172334 · #000311 · #f5b84e
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#faf0e1 · #b79e78 · #6f5323 · #314159 · #392500 · #000007
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#faf0e1 · #c29781 · #5c5c26 · #314159 · #421e09 · #020200
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffeded · #c59393 · #436339 · #314159 · #18310f · #0a0001
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#feecf4 · #bf93a8 · #6f5323 · #314159 · #003224 · #100600
#4D5C73 · #6B798D · #8B96A8 · #ABB5C4 · #CDD5E1
#28364C · #1F2C3F · #172233 · #0F1927 · #08101C
#344154 · #38414F · #3B4149
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.