#2DB0CEAquarius (#2DB0CE) is a light, soft sky blue with an OKLCH hue of 217°, lightness 0.7 and chroma 0.115. 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 | #2DB0CE |
|---|---|
| RGB | rgb(45, 176, 206) |
| HSL | hsl(191, 64%, 49%) |
| HSV | hsv(191, 78%, 81%) |
| CMYK | cmyk(78%, 15%, 0%, 19%) |
| CIE Lab | lab(66.6 -24.2 -25.1) |
| OKLCH | oklch(0.702 0.115 217) |
Under warm 2700K interior light Aquarius shifts subtly: leans toward blue-green, loses intensity; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.2), so it is a lighting-stable choice.
#4aacc1 — ΔE 2.2, shifts subtly: leans toward blue-green, loses intensity#3eb1ca — ΔE 1.1, shifts subtly: leans toward blue-green#2db0ce — ΔE 0.0, is virtually unchanged#29b1d1 — ΔE 0.5, is virtually unchangedTest Aquarius 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 2.56:1 and against black 8.21:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid white 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.
#ddf7ff · #75daf5 · #2db0ce · #008ba6 · #006478 · #003f4d
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.
#7cd8cd · #53c5cd · #2db0ce · #3e97c3 · #4a7fb3 · #50689e
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.
#afbde5 · #2db0ce · #258fa7 · #4a5fa5 · #005162 · #222c4e
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.
#baf0ff · #aac8d0 · #2db0ce · #b7634a · #356674 · #26464e
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#fceeea · #2db0ce · #75878d · #564d4a · #102329 · #050101
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.
#fceeea · #d5c6c1 · #aa9993 · #331f19 · #0f0100 · #2db0ce
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#dad9b3 · #2db0ce · #6d88b9 · #c62c1b · #462c3a · #030e1c
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ffede8 · #2db0ce · #b36c7a · #714300 · #420018 · #160700
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffebf9 · #2db0ce · #a86e98 · #5d4f00 · #272000 · #050003
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#f6eeff · #2db0ce · #9375af · #82331b · #172600 · #1c0100
#56BDD7 · #75C9E0 · #91D6E9 · #ABE2F2 · #C5EFFB
#0C91AC · #007389 · #005567 · #003A46 · #002029
#55ADC4 · #6EAABA · #82A6B0
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.