#042E60Marine (#042E60) is a very dark, soft blue with an OKLCH hue of 256°, lightness 0.31 and chroma 0.099. 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 | #042E60 |
|---|---|
| RGB | rgb(4, 46, 96) |
| HSL | hsl(213, 92%, 20%) |
| HSV | hsv(213, 96%, 38%) |
| CMYK | cmyk(96%, 52%, 0%, 62%) |
| CIE Lab | lab(19.3 8.1 -33.5) |
| OKLCH | oklch(0.307 0.099 256) |
Under warm 2700K interior light Marine shifts subtly: leans toward purple; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.2), so it is a lighting-stable choice.
#0f2d5a — ΔE 1.2, shifts subtly: leans toward purple#0a2f5e — ΔE 0.7, is virtually unchanged#042e60 — ΔE 0.0, is virtually unchanged#032e61 — ΔE 0.2, is virtually unchangedTest Marine 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 13.42:1 and against black 1.56:1, 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.
#94afd3 · #6a88b2 · #426491 · #1b4071 · #042e60 · #00051e
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.
#08576e · #004367 · #042e60 · #131a4c · #140735 · #0e001f
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.
#aa98bb · #6384b2 · #755491 · #51425e · #042e60 · #001639
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.
#e6b976 · #586c88 · #424d5d · #042e60 · #04152d · #00020b
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#f7f1e8 · #adb6c2 · #7f7b75 · #3f4854 · #042e60 · #1e1912
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.
#f8f1e6 · #d3cabf · #aaa093 · #382d1c · #170b00 · #042e60
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#d0d6b0 · #f16928 · #7868ae · #58373e · #042e60 · #0f082d
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#fef0dc · #e0a68a · #837f31 · #6b361c · #042e60 · #1d1b00
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffeded · #e3a1a4 · #60894c · #315120 · #042e60 · #2d0f12
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ffecf5 · #dba1c0 · #9d732f · #00553d · #042e60 · #261600
#2A4D7B · #4E6D97 · #738EB2 · #99B0CF · #C0D2EB
#022754 · #002048 · #00193D · #001232 · #000C27
#122F56 · #1B304C · #243042
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.