#CFDAFBIcy Plains (#CFDAFB) is a very light, muted blue with an OKLCH hue of 271°, lightness 0.89 and chroma 0.047. It sits on the cool side of the color wheel. In practice it behaves as a background color — quiet over large surfaces.
| HEX | #CFDAFB |
|---|---|
| RGB | rgb(207, 218, 251) |
| HSL | hsl(225, 85%, 90%) |
| HSV | hsv(225, 18%, 98%) |
| CMYK | cmyk(18%, 13%, 0%, 2%) |
| CIE Lab | lab(87.2 2.9 -17.3) |
| OKLCH | oklch(0.890 0.047 271) |
Under warm 2700K interior light Icy Plains shifts subtly: drifts toward purple, loses intensity; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.4), so it is a lighting-stable choice.
#d9d5eb — ΔE 2.4, shifts subtly: drifts toward purple, loses intensity#d7dbf6 — ΔE 1.3, shifts subtly: leans toward purple#cfdafb — ΔE 0.0, is virtually unchanged#cfdbfe — ΔE 0.4, is virtually unchangedTest Icy Plains 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 1.39:1 and against black 15.07:1, 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.
#edf1ff · #cfdafb · #98a1bd · #747c95 · #51586e · #323749
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.
#cfdafb · #c3c1f5 · #bdaad9 · #b495bc · #a8819f · #996f82
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.
#cfdafb · #c7b3c9 · #8c9ac4 · #936e98 · #545f83 · #503e52
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.
#cfdafb · #c9b680 · #9095a4 · #6b748d · #4d556b · #333846
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#cfdafb · #c0beb6 · #81848e · #51504b · #1d2029 · #010100
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.
#cfdafb · #969cac · #394053 · #1c2235 · #010312 · #e6c04d
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#f5f7d1 · #cfdafb · #e0972f · #9674ab · #5c3b34 · #160728
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#cfdafb · #c3beae · #a07d60 · #4a5623 · #341800 · #010100
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#cfdafb · #ccb9b5 · #a6786f · #2e5b3a · #02290f · #050000
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#cfdafb · #cbb8bd · #a47683 · #5f4e17 · #002722 · #090400
#D5DEFC · #DAE3FC · #E0E7FD · #E6ECFD · #ECF0FE
#A8B1CF · #828AA4 · #5E657C · #3D4355 · #1E2332
#D1DAF4 · #D4DAED · #D6DBE7
Its high lightness and low chroma make it a natural background or large-surface color. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.