#59B9CCHigh Dive (#59B9CC) is a light, soft sky blue with an OKLCH hue of 212°, lightness 0.74 and chroma 0.094. 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 | #59B9CC |
|---|---|
| RGB | rgb(89, 185, 204) |
| HSL | hsl(190, 53%, 57%) |
| HSV | hsv(190, 56%, 80%) |
| CMYK | cmyk(56%, 9%, 0%, 20%) |
| CIE Lab | lab(70.3 -22.8 -18.2) |
| OKLCH | oklch(0.735 0.094 212) |
Under warm 2700K interior light High Dive 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.
#6bb5bf — ΔE 2.2, shifts subtly: leans toward blue-green, loses intensity#64bac8 — ΔE 1.1, shifts subtly: leans toward blue-green#59b9cc — ΔE 0.0, is virtually unchanged#58bacf — ΔE 0.4, is virtually unchangedTest High Dive 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 2.27:1 and against black 9.24:1, 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.
#daf8ff · #84d8ea · #59b9cc · #318a9b · #056473 · #00404a
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.
#99e0d1 · #77cdce · #59b9cc · #58a1c1 · #5a8ab2 · #5a749e
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.
#59b9cc · #7c8ba8 · #277988 · #374f85 · #003e49 · #121d36
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.
#d5f7ff · #b8d1d7 · #59b9cc · #b97263 · #476f77 · #344e54
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#fbefec · #59b9cc · #819194 · #5b5352 · #162629 · #040101
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.
#fceeeb · #d5c6c2 · #ab9995 · #34201c · #100201 · #59b9cc
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#ffede9 · #59b9cc · #b77d71 · #813f32 · #410f06 · #000204
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#e3c8e6 · #59b9cc · #b7557a · #745c4c · #403247 · #03101c
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#feebfa · #59b9cc · #a97da2 · #685300 · #2c2200 · #040003
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#f4eeff · #59b9cc · #9683b4 · #813f32 · #1e2700 · #060000
#73C4D5 · #8BCFDD · #A1DAE6 · #B7E5EE · #CDEFF7
#4098A9 · #277988 · #095B68 · #003D47 · #002229
#6FB6C5 · #82B3BD · #92AFB6
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.